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Case notes on veterinary investigations in sheep, cattle and other species


SPECIES OTHER THAN SHEEP OR CATTLE

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Adapting livestock production to the climate in 2030 | Posted March 2011
Written by: Brian Cumming, Livestock Officer (Beef), NSW Industry and Investment, Albury
NSW Industry and Investment has been running the NSW component of a national project to look at how producers might adapt their production systems to the anticipated change in climate from 2016 to 2045 ... Read more

Alpacas and other camelids—tips I have learnt
Written by: Diane Ryan, Senior Veterinary Officer, Menangle
Alpacas are different in many ways from traditional livestock industries.  The terminology used with this species is based on both its origin (South America) and aspects of its physiology and behaviour ... Read more

Animal welfare case and lice offences | Posted March 2012
Written by: A G Morton, District Veterinarian, Hume Livestock Health and Pest Authority
After 35 years it still amazes me how long (10 years in this case) neighbours will tolerate welfare or stock disease problems before bringing the issue to anyone's attention ... Read more

Antibiotic resistance in food animals - national and international developments | Posted March 2016
Written by: David Jordan, Principal Research Scientist, NSW Department of Primary Industries, Wollongbar, NSW
Antimicrobial resistance and antimicrobial usage has been a contentious issue at the nexus of animal and human health for over 50 years. The discovery of methicillin resistant Staphylococcus aureus in the UK hospital system in 1960 first brought ... Read more

Arboviral Disease in Horses | Posted September 2011
Written by: Sara Biasutti BVSc, Canobolas Veterinary Hospital
As of February 2011 an increase in muscle soreness, joint pain and neurological disease was reported in NSW horses ... Read more

Australian bat lyssavirus update | Posted March 2016
Written by: Paul Freeman, NSW DPI Wollongbar
Australian Bat Lyssavirus is endemic in both insectivorous bats and megabats of Australia, where the prevalence in wild populations is estimated at less than one percent but in bats that are showing neurological signs a much higher prevalence occurs ... Read more

Australian wildlife health network | Posted March 2012
Written by: T. Grillo, Australian Wildlife Health Network and G. Curran, NSW Wildlife Health Coordinator, NSW DPI
The Australian Wildlife Health Network (AWHN) links, informs and supports people and organisations who deal with wildlife disease, and work or have an interest in wildlife health across Australia ... Read more


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Bluetongue viruses - the current situation in Australia and beyond | Posted April 2013
Written by: P.D. Kirkland, Virology Laboratory, EMAI, Camden NSW
The most recent large scale epizootic with a high morbidity and mortality occurred on a number of the Mediterranean Islands and later in most of the countries bordering the northern Mediterranean coast between 1999 and 2002 ... Read more


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Calicivirus in farmed rabbits | Posted July 2012
Written by: Phillip Kemsley, District Veterinarian, Casino
A large vertically integrated rabbit farm on the north coast of NSW experienced heavy losses of over 1,000 growers and breeders ... Read more

Can livestock animal welfare reform come fast enough? | Posted March 2012
Written by: Glenys Oogjes, Executive Director, Animals Australia
Animals Australia is a non-profit charitable organisation financed through community support. It is a federation of 40 groups, and also has a large individual membership and supporter base. We have representation on all major state and national animal welfare committees ... Read more

Canine article removed for academic purposes | Originally posted March 2016

Challenge of biosecurity in periurban areas - a case study | Posted March 2016
Written by: Kate Sawford, South East Local Land Services
The periurban environment poses unique animal biosecurity challenges including a large concentration of migrant communities, with a range of common languages spoken at home and religious affiliations, farms are small both in terms of area and livestock numbers and lack proper handling facilities, and knowledge of regulations governing the ownership and sale of stock ... Read more

Chlamydial infections of humans and animals - an update | Posted March 2011
Written by: Adam Polkinghorne
Chlamydia are highly successful pathogens that can infect and cause disease in animals at nearly every level of taxonomy. In humans, chlamydial infections are the leading cause of preventable blindness ... Read more

Classical swine fever virus in Eastern Indonesia and Timor-Leste | Posted March 2015
Written by: Kate Sawford, Greater Sydney Local Land Services
Many of the pig diseases exotic to Australia are spreading in neighbouring countries representing a threat to Australia's pork industry as pig products from these regions could be imported illegally and fed to pigs ... Read more

Coccidiosis in a Commercial Layer Flock | Posted September 2011
Written by: Eliz Braddon, SDV Lachlan LHPA
A commercial layer operation experienced a sudden increase in mortalities in one layer shed with deaths occurring in birds in the bottom two rows of cages only ... Read more

Cross-sectional disease surveillance and control: Rabies in Uganda as a case study | Posted April 2013
Written by: Siobhan M. Mor - Faculty of Veterinary Science, University of Sydney, Australia
In this presentation I will share the highlights from the PMA Conference as well as the findings from our ongoing work on rabies in Uganda. Rabies provides a unique opportunity to consider proof of concept for cross-sectoral approaches to disease surveillance and control ... Read more


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Developments in animal welfare | Posted April 2013
Written by: Amanda Paul, Veterinary Officer, Animal Welfare, NSW DPI
A number of issues have arisen in the last 12 months that have raised questions around the participation of LHPA vets in animal welfare. The first is the Crown Solicitor's advice regarding functions of LHPAs ... Read more

Devil facial tumour disease
Written by: Benn Bryant, Senior Veterinarian, Taronga Western Plains | Posted March 2011
Devil Facial Tumour Disease (DFTD) was first recognised in free ranging Tasmanian devils (Sarcophilus harrisii) in the north-east of Tasmania in 1997. The disease subsequently spread and now ... Read more

Diseases of alpacas | Posted March 2016
Written by: Patrick Staples, State Veterinary Diagnostic Laboratory, EMAI, Menangle
This paper attempts to provide an introduction and overview of some of the diseases of alpacas that may be seen in Australia ... Read more

DPI NSW perspective on animal welfare issues | Posted March 2012
Written by: Amanda Paul, Veterinary Officer, Animal Welfare, NSW Department of Primary Industries
Animal welfare is an issue that generates significant media interest and also generates a significant amount of Ministerial correspondence in NSW ... Read more


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Elizabeth Macarthur agricultural institute, boffins and bugs | Posted June 2015
Written by: Dr Jef Hammond, Director, Centre for Animal & Plant Biosecurity, NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute, Woodbridge Rd, Menangle NSW
EMAI is the NSW Department of Primary Industries Centre for Biosecurity and Centre of Excellence for Animal and Plant Health. First opened in 1990, EMAI plays a vital role in the protection of the State's $9 billion primary industries sector, the community and environment ... Read more

Emerging infectious diseases of bats | Posted March 2012
Written by: Rod L. Reece, NSW Department of Primary Industries, State Veterinary Diagnostic Laboratory, Elizabeth Macarthur Agricultural Institute, Menangle
Approximately two thirds of the well-recognised diseases of humans are zoonoses; however, many of the high profile and significant new and emerging human diseases of recent years have derived from animals ... Read more

Emerging zoonotic issues with leptospirosis & brucellosis | Posted April 2013
Written by: Peter D Massey, DrPH, GCPH, RN, Program Manager Health Protection,
Hunter New England Health, NSW

There are more than 40 zoonotic diseases currently recognised of public health significance in NSW (Adamson et al, 2011). People with a zoonotic illness frequently present with non-specific symptoms so under-diagnosis may occur ... Read more

Environmental survival of MAP across New South Wales | Posted March 2012
Written by: J Eppleston, DJ Begg, G Curran, N Dhand, B Watt, RJ Whittington
Mycobacterium avium subsp. paratuberculosis (Map), the cause of Johne's Disease (JD), is defined as an obligate parasite of animals, meaning its survival outside of animals is finite ... Read more

Epidemiology of 2011 hendra virus spillover events: Queensland perspective and general overview | Posted March 2012
Written by: Nina Kung & Hume Field, Queensland Centre for Emerging Infectious Diseases, Biosecurity Queensland, Department of Employment, Economic Development and Innovation
Periodic spillover of Hendra virus (HeV) from its natural host (fruit bats, flying-foxes) results in catastrophic disease in horses and occasionally the subsequent infection of humans ... Read more

Epizootic haemorrhagic disease - is this a disease of alpacas? | Posted January 2014
Written by: Zoe Feigen (final year student, University of Sydney), Diane Ryan (Elizabeth MacArthur Agricultural Institute, Menangle) and Bruce Watt (Central Tablelands Local Lands Services, Bathurst)
Epizootic Haemorrhagic Disease is viral disease, primarily of ruminants. Overseas, it causes severe disease in cervids and is associated with mild disease in cattle and bighorn sheep and carrier states in domestic sheep, goats and other wild ungulates. Some importing countries request certification for Australian alpacas ... Read more

EU FMD real time training - Nepal | Posted April 2013
Written by: Andrew Biddle, District Veterinarian, New England LHPA and Libby Guest, District Veterinarian, North West LHPA
The experiences of each individual involved in EU FMD Real-time Training in Nepal are dependent on the village and enterprises they visited. A few of the practical lessons learned in Nepal are outlined ... Read more

Exotic theileriosis | Posted March 2012
Written by: David Thomson, North Coast LHPA
Various forms of Theileriosis are widely recognized as possibly the most economically significant vector-borne diseases affecting ruminant livestock production worldwide ... Read more


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Faecal PCR test for Johne's disease: a new and improved semi-automated test | Posted March 2012
Written by: Ian B. Marsh, Karren M. Plain, Francesca Galea, Anna Waldron, Ann-Michele Whittington, Richard J. Whittington (NSW Department of Primary Industries, EMAI and Faculty of Veterinary Science, University of Sydney, Camden
The development of a direct faecal polymerase chain reaction (DPCR) test for both ovine Johne's disease and bovine Johne's disease has been a goal in Johne's disease research since the mid 1990s ... Read more

Field investigation of kangaroo deaths in Sturt National Park and areas near Tibooburra in early 2010 | Posted March 2011
Written by: Greg Curran, Technical Specialist, Western Division, NSW Wildlife Health Coordinator, Industry and Investment NSW, Broken Hill
Kangaroo deaths were reported within about 100km of Tibooburra NSW, including within Sturt National Park. On investigation, the animals affected were red kangaroos ... Read more

Feral goats in peri-urban settings, a a health and welfare issue | Posted July 2012
Written by: Linda Dillenbeck, Veterinary Intern Sydney University and Matt Ball, Senior District Veterinarian NSW
The form of agriculture practiced in the peri-urban environment can have biosecurity, welfare and food safety concerns. This case study provides an example of a disease investigation where goats were being used ... Read more

Flavivirus Neurological Disease in Horses - Information for Vets | Posted June 2011
Written by: Belinda Walker, Technical Specialist Animal Biosecurity, NSW DPI
Since late February there has been an increase in reports of horses displaying unusual neurological signs across NSW. Similar cases have been reported in Victoria and South Australia ... Read more

FMD eradication dreaming | Posted April 2013
Written by: Peter Windsor DVSc, Specialist Veterinary Surgeon (Pathobiology, Small Ruminant Health Management), Professor of Livestock Health and Production (Faculty of Veterinary Science, University of Sydney, Camden, NSW)
From a global perspective, FMD is more correctly considered a failure of the food security system affecting over 20million cattle and 4million pigs per annum, severely compromises international trade in animals and animal products, causes considerable financial losses ... Read more

Foot and mouth disease in Kenya: an overview of key features | Posted March 2012
Written by: Paul Freeman, Regional Veterinary Officer, NSW Department of Primary Industries
Foot and mouth Disease is a highly contagious disease of cloven footed animals. It is economically significant affecting both production and trade access ... Read more


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Genetics testing advances for livestock | Posted March 2012
Written by: Brendon A. O'Rourke, NSW Department of Primary Industries, State Veterinary Diagnostic Laboratory, EMAI
Technical advances are facilitating the application of molecular genetics to enhance productivity in the livestock industries. This is being served by two pathways ... Read more

Glasser's Disease in Pigs | Posted August 2010
Written by: Belinda Edmonstone, District Veterinarian, Lachlan LHPA, Forbes
A purchase of 26 weaner pigs goes wrong when the count of the dead reaches nine ... Read more

Glasser's disease (Haemophilus parasuis) in weaners | Posted December 2012
Written by: Lydia Poad, Veterinary Intern Sydney University
Matt Ball, Senior District Veterinarian Lismore

Four weaners that had been purchased became acutely lame and unable to stand two weeks after arrival. One of these weaners was found dead two days later ... Read more

Goat shoot operations collecting animal health information | Posted August 2010
Written by: Keith Hart, Senior District Veterinarian, Cumberland LHPA, Camden
The serendipidous collection of samples from goats during a cull operation found that ... Read more


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Hendra risk management and preclinical animals | Posted March 2012
Written by: Therese Wright, Department of Primary Industries, Orange
Understanding the potential risks of viral shedding posed by animals that may be infected with Hendra virus but are not showing clinical signs allows these animals to be appropriately managed ... Read more

Hendra virus case studies | Posted September 2011
Written by: Matt Ball - District Veterinarian Lismore
In 2011 the North Coast of NSW has had multiple properties diagnosed with Hendra virus with the last known occurrence of the disease in NSW in 2006 ... Read more

Hendra virus developments 2012 | Posted April 2013
Written by: Therese Wright, Biosecurity NSW
In 2012, 12 horses died of Hendra virus in 9 incidents. All these incidents were confined to Queensland and all occurred on properties north of Gladstone ... Read more

Hendra virus experiences - 1 | Posted March 2012
Written by: Ian Poe, Mid Coast Livestock Health and Pest Authority, Kempsey
Hendra virus was first isolated in Queensland following an outbreak at a racing stable in Hendra, Brisbane. Prior to 2011 there had been 14 incidents in Queensland and a single case in NSW ... Read more

Hendra virus experiences - 2 | Posted March 2012
Written by: Matt Ball, District Veterinarian Lismore
During the winter of 2011 the North Coast of NSW had multiple properties diagnosed with Hendra virus (7 Infected Premises) and an unprecedented number of Hendra exclusions (over 60) ... Read more

Hendra virus experiences - 3 | Posted March 2012
Written by: Phillip Kemsley, District Veterinarian, Casino
This case report reviews experiences with Hendra Virus disease in horses on an affected property at Wollongbar in June / July 2011. It also explores flying fox movements and weather events at the suspected time of virus spillover ... Read more

Hendra virus policy update | Posted August 2015
Written by: Paul Freeman NSW DPI
The introduction of a Hendra virus vaccine, confirmation of infection in a second dog and recent developments in the understanding of recrudescent HeV infection have necessitated review of the management of vaccinated animals on infected premises, the risk posed by close contact companion animals and the policy of mandatory euthanasia of infected animals ... Read more

Hendra virus update | Posted March 2012
Written by: Deborah Finlaison, Veterinary virologist, Virology Laboratory, EMAI, Menangle
This presentation will review the history of Hendra virus outbreaks, give an overview of the characteristics of the virus, and discuss the diagnostic tests for identification of Hendra virus infection and the samples that should be collected for exclusion testing ... Read more

Henipavirus outbreak in the southern Philippines, 2014 | Posted March 2016
Written by: Debbie Eagles, CSIRO Australian Animal Health Laboratory (CSIRO AAHL)
This paper describes the investigation of an outbreak of neurological disease with high case fatality amongst people and horses in southern Philippines in 2014 ... Read more

HPAI Young 2013 – Lessons Learned from an Emergency Response | Posted August 2015
Written by: Eliz Braddon, SDV Lachlan LHPA
Avian influenza is included on the World Organisation for Animal Health (OIE) list of notifiable diseases. As a result, Australia has an obligation to respond to any outbreak of avian influenza (AI). That response is dependent on the viral subtype diagnosed ... Read more

Human metapneumovirus: zoonosis or reverse zoonosis ? | Posted March 2012
Written by: Jim McDonald, District Veterinarian, Tablelands LHPA, Yass
The World Health Organisation defines zoonosis as 'an infection shared in nature by man and animals'. This is an elegant way of describing it and implies that there is no need to coin terms to define the direction of transmission ... Read more

Hydatids in Australia: the current situation in rural domestic dogs | Posted 2015
Written by: David J Jenkins, School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW
The hydatid transmission situation in Australia is complicated by a widespread wildlife reservoir that is important in perpetuating transmission of the parasite. Wildlife provides a reservoir of infection that periodically “spills over” into domestic dogs, livestock and humans ... Read more


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Interesting Hendra virus exclusion | Posted March 2011
Written by: Ian Poe BVSc. District Veterinarian, Mid Coast LHPA (Kempsey)
Over the last few years Hendra virus exclusions have become a regular occurrence for local private veterinarians and District Veterinarians working in the Mid Coast Livestock Health and Pest Authority ... Read more

Introducing Brucella melitensis | Posted March 2016
Written by: Bruce Watt, Central Tablelands Local Land Services, Bathurst
Worldwide, brucellosis remains a major source of disease in humans and domesticated animals. In humans, ovine/caprine brucellosis caused by B. melitensis is by far the most important clinically apparent disease ... Read more


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Leptospirosis in the Riverina | Posted April 2013
Written by: Dan Salmon, Senior District Veterinarian, Deniliquin
Leptospirosis became a serious disease of cattle during the early 1970's, at which time it was also a significant zoonotic infection. After several years, leptospirosis became a less significant disease of cattle to the point of being a very rare diagnosis ... Read more

Listeriosis associated with silage feeding in goats | Posted December 2011
Written by: Bob Templeton, Southeast Livestock Health and Pest Authority and Keith Hart, Cumberland Livestock Health and Pest Authority and Bruce Watt, Tablelands Livestock Health and Pest Authority
Listeria monocytogenes occurs widely in the environment and can be isolated from soil, decaying plants and silage. Man and many animal species can also be asymptomatic carriers ... Read more


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Macracanthorynchus hirudinaceus in feral pigs | Posted June 2015
Written by: Bruce Watt, Central Tablelands Local Land Services, Bathurst
The giant thorny headed worm, Macracanthorhynchus hirudinaceus, is primarily a parasite of pigs but can infest other species including dogs and humans. It belongs to the Acanthocephala, a small phylum of highly specialised parasites ... Read More

Malnutrition, condition score and disease | Posted July 2012
Written by: Susan McClure, DV Central West LHPA
Pasture-fed livestock are at risk of nutritional imbalance for many reasons including availability and composition of the pasture on the one hand and the animal's requirements for maintenance, growth and production on the other ... Read more

Management of lyssavirus in animals that interact with bats | Posted June 2015
Written by: Sarah Britton, NSW DPI, Orange
Australian bats (including flying foxes and microbats) are the natural reservoirs for a range of viruses that may infect and sometimes kill humans and other animals. The viruses carried by Australian bats include Hendra virus, Menangle virus and Australian Bat Lyssavirus ... Read more

Mareks disease in Australia - developments in monitoring and control | Posted April 2013
Written by: Stephen Walkden-Brown1 and Peter Groves2
1
School of Environmental and Rural Science, University of New England, Armidale NSW
2
Zootechny P/L, Bringelly NSW

Early studies into the virulence of Australian isolates of MDV using non-standardised methods, suggested that some isolates were highly virulent and able to overcome the protective effects of vaccination ... Read more

Monitoring the prevalence and impact of enteric disease in pigs | Posted March 2015
Written by: Alison Collins, NSW DPI, EMAI
While histopathology is the gold standard in diagnosis for many enteric diseases, only very sick pigs are necropsied, so mild clinical and sub-clinical disease are often undiagnosed ... Read more

Moral status of animals: Comparing deontological and consequentialist view on livestock farming | Posted June 2015
Written by: Elizabeth Watt, PhD student in the School of Archaeology and Anthropology, School of Arts and Social Sciences, Australian National University, Canberra
In this paper, I will discuss the status of animals according to two overarching philosophical theories: deontological ethics and consequentialism. I will outline the views of two classical theorists from both schools of thought ... Read More


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Neurological cases in ruminants | Posted September 2010
Written by: Ted Irwin, District Veterinarian, North West LHPA, Warialda
A number of maladies producing various neurological signs in different species ... Read more

Neurological signs and sudden death in horses located in close proximity | Posted August 2015
Written by: Colin Peake, DV Hay, Riverina LHPA and CSU Vet students Suzie Richards and Jo Ward
This report details two cases involving neurological signs and sudden death in horses. Two different properties were involved, however both were in relatively close proximity to each other along the Lachlan River ... Read more

New compulsory animal welfare standards | Posted March 2012
Written by: Dr Kevin de Witte, Animal Health Australia
The development of the Australian Animal Welfare Standards and Guidelines for land transport of livestock, cattle and sheep represents a significant collaboration between governments, the industry councils and animal welfare non-government organisations ... Read more

New faecal PCR test for paratuberculosis | Posted April 2013
Written by: Richard Whittington1, Karren Plain1 and Ian Marsh2
1Faculty of Veterinary Science, The University of Sydney, Camden and
2Elizabeth Macarthur Agricultural Institute, Menangle

In this report the results of validation of a new faecal PCR for detection of Mptb are described. This test is called the High Throughput Johnes (HT-J) test and will be offered through animal health diagnostic laboratories in Australia following approval ... Read more


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Omphalitis in layer chicks | Posted September 2016
Written by: Kate Peffer, District Veterinarian Central Tablelands LLS
Omphalitis, colloquially known as yolk sac infection, is the main infectious cause of chicken mortality in the first week post-hatching and accounts for large economic losses to the poultry industry ... Read more

Osteomalacia in grower pigs | Posted August 2008
Written by: Shaun Slattery, District Veterinarian; Siobhan Egan, Veterinary Intern
Pigs becomes afflicted with hindlimb paralysis and loud squealing when disturbed ... Read more

Oyster farming and inputs from veterinay science | Posted April 2013
Written by: Richard Whittington and Ika Paul-Pont, Faculty of Veterinary Science, The University of Sydney, Camden
Aquaculture is one of the fastest-growing industries producing animal protein to feed a growing global population. FAO predicts that in the next decade, the total output from capture fisheries and aquaculture will be greater than that of livestock or poultry ... Read more


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Peste des petits ruminants (PPR) too early to panic but too late to ignore | Posted March 2012
Written by: Bruce Watt, Tablelands Livestock Health and Pest Authority, Bathurst
Gareth Bath, Dept Production Animal Studies, Faculty of Veterinary Science
University of Pretoria

"Perversely ... as one morbillivirus of farm animals ceases to be important, another moves to centre stage. Deaths among small ruminants due to PPRV continue to mount in the form of rolling epidemics moving across international borders ..." Read more

Pinery fire in South Australia 2015 - Lessons learned | Posted March 2016
Written by: Nigel Baum, PIRSA Biosecurity SA Animal Health, Clare SA
The fire began near the Adelaide Plains grain-growing locality of Pinery, 70 kilometres due north of Adelaide's centre, at midday on Wednesday 25 November, 2015. With winds reaching 100 km/h, the fire rapidly spread ... Read more

Porcine Epidemic Diarrhoea | Posted March 2015
Written by: Amanda Lee, Senior Veterinary Officer (pigs and poultry), NSW DPI, Menangle
Porcine epidemic diarrhoea (PED) is characterised by acute, rapidly spreading viral diarrhoea. Pigs are the only known hosts of PEDv. There are no public health or food safety concerns ... Read more

Possible haemonchosis in camels | Posted August 2007
Written by: FJA Neilson, District Veterinarian
Signs of anemia and high faecal egg counts ... Read more

PPMV1, Melbourne to Sydney reflections on the tales of two cities | Posted April 2013
Written by: George Arzey, Senior Veterinary Officer, NSW DPI, Elizabeth Macarthur Agric. Institute Menangle, NSW
PPMV1 (Pigeon paramyxovirus) was first reported in Shepparton, some 200 km from Melbourne in a flock of Persian High Flyers. On 2/9/2011 a veterinarian in Melbourne, that had consulted Persian High Flyer pigeon lofts suffering high mortality for a week since the 27/8/11, was alerted by a call from Vic DPI informing him about the diagnosis of PPMV1 in Shepparton ... Read more


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Q Fever: A notifiable disease in humans | Posted March 2011
Written by: Ian Lugton, SDV, SELHPA, Bega and Anthony Brown, A/Prof, Sydney University Medical School, Dubbo
E. H. Derrick first reported in 1937 on ‘Query Fever’. The disease first identified in Brisbane abattoir workers is now known as Q fever. Derrick sent the organisms isolated to McFarlane Burnet ... Read more


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Rabies - a timely reminder | Posted March 2012
Written by: Alan Taylor, Central West LHPA
More than 55,000 people (mostly in Africa and Asia) die of rabies each year - that equates to one person every ten minutes ... Read more

Rabies and Lyme Disease - challanges in disease control | Posted March 2011
Written by: Matthew Ball, Senior District Veterinarian, Lismore
The control and eradication of animal diseases should be based on an understanding of their epidemiology and the methods available for their diagnosis, prevention and treatment ... Read more

Red Racer disease | Posted March 2016
Written by: Dr Jillian Kelly, Regional Veterinarian CWLLS
In August 2015, Central West Local Land Services ran a mock Emergency Animal Disease Exercise in the Dubbo area ... Read more

Respiratory disease in small poultry flocks - differential diagnosis | Posted April 2013
Written by: George Arzey, Senior Veterinary Officer, Elizabeth Macarthur Agricultural Institute, Menangle NSW
Considering that the avian respiratory system served dinosaurs well 175-250 million years ago, at a period when low environmental oxygen and high temperature affected the planet; this combination of flow-through ventilation and crosscurrent exchange allows birds to extract up to 160% more oxygen from the air than mammals ... Read more

Response to bushfires: NSW perspective | Posted March 2016
Written by: Elizabeth Braddon, Local Land Services, Riverina
In Southern NSW, bushfires are a considerable risk to livestock producers and rural communities almost every year. As a veterinarian with the Local Land Services, we are typically contacted to assess and perform humane destruction of livestock that are affected ... Read more

Review of a regional disease investigation surveillance system | Posted March 2011
Written by: Matt Ball - Senior District Veterinarian, NC LHPA, Lismore
Kate Finlayson, Veterinary Intern, Sydney University
Paul Freeman - Regional Veterinary Officer, NSW I&I, Wollongbar

Animal health policy makers need to be given adequate information about the nature of the animal disease monitoring and surveillance system of their regions.  Such information can be used to make decisions ... Read more

Review of the records of chlamydia and SBE diagnoses in the Wagga Wagga RLPB | Posted March 2011
Written by: Tony Morton, District Veterinarian Hume LHPA, Megan McGrice CSU 6th year vet student, Joss Hoogstraten CSU 6th year vet student
There were 27 sheep investigations recorded with 11,505 sheep at risk, 516 sheep affected (includes deaths) and 44 deaths ... Read more

Role of vaccination in foot and mouth (FMD) control | Posted April 2013
Written by: Therese Wright, Biosecurity NSW
As vaccinated animals are less likely to be infected and, if they are infected can be expected to shed less virus, vaccination can be used to minimise spread of disease particularly in areas at high risk of rapid transmission or in an outbreak ... Read more


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Sarcoptes scabei var suis | Posted July 2012
Written by: Kylie Greentree, DV Cumberland Livestock Health and Pest Authority
Seven piglets, five weeks of age, had very thickened skin, alopecia, severe rubbing and shaking ears, with multiple scabs mostly over head and forequarters ... Read more

Science and research within the Livestock Health and Pest Authorities: a few tips from experienced practitioners | Posted April 2013
Written by: Ian Lugton, District Veterinarian, SELHPA, Bega and Greg Curran, Veterinary Officer, DPI, Broken Hill
As District Veterinarians you will always be in the best position to do something significant, a research project perhaps, that someone else can't easily do or would find more difficult to achieve. All good research starts with field observations, which puts field veterinarians in the box seat ... Read more

Smallholder livestock producers in Australia – biosecurity and knowledge transfer | Posted March 2016
Written by: M Hernández-Jover, L Hayes, J-A LML Toribio, R Woodgate, L Rast
Practices of smallholder livestock producers are perceived to pose biosecurity risks. The aim of the current study was to investigate biosecurity, disease management and communication networks of smallholder producers ... Read more

Streptococcus suis infection in humans - an emerging disease? | Posted August 2008
Written by: Eliz Braddon, District Veterinarian
Strep suis is commonly found in pigs. What of the people who work with them ... Read more

Surveillance of swine brucellosis and leptospria spp. in feral pigs (Sus scrofa) and the potential risks to humans and livestock in northern NSW, Australia | Posted April 2013
Written by: Camila Ridoutt1, Amanda Lee1, David Jordan1, Barbara Moloney1 and Peter Massey2
1 New South Wales Department of Primary Industries
2 Hunter New England Population Health

Zoonotic diseases such as swine brucellosis and leptospirosis are infections of near global distribution with serious health implications for humans and animals. Swine brucellosis exposure in humans follows occupational and recreational activities such as feral pig hunting or laboratory work as well as food borne infections from inadequately cooked feral pig meat ... Read more

A survey of leptospiral exposure in livestock and feral pigs - interim results - Central West LHPA | Posted April 2013
Written by: Jillian Kelly, District Veterinarian CWLHPA, Coonamble & Nyngan
Susan McClure, Research Veterinarian CWLHPA, Dubbo
Neil Charman, Strategic Technical Manager-Extensive Livestock Business Unit,
Pfizer Animal Health Australia

Leptospirosis causing clinical disease has been diagnosed infrequently by veterinarians over the last five to ten years; however cattle producers in the area often enquire whether vaccination is necessary. This study aims to address this question ... Read more

Suspect case of post-weaning multisystemic wasting syndrome | Posted August 2008
Written by: Phillip Kemsley, District Veterinarian
A disease complex in weaner pigs first presented in January 2005 ... Read more


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Tetanus in goats | Posted in December 2012
Written by: Matt Ball, Senior District Veterinarian Lismore, NSW
In September 2012 at least eight goats, including a number of kids, had been found dead with no obvious signs of disease prior to their death. In early October two live goat kids of approximately eight weeks of age were found in lateral recumbency, unable to stand ... Read more

The North Coast LHPA and emerging disease detection - risk analysis by a worked example | Posted July 2012
Written by: Matt Ball, Senior District Veterinarian North Coast LHPA
The disease investigation service of the North Coast Livestock Health and Pest Authority (NCLHPA) is a busy and capable component of the regions livestock disease surveillance system ... Read more

Tips and tools for decision making and clinical / field trial planning - sample size | Posted March 2011
Written by: Helen McGregor, DV Hume LHPA
One of the main aims in planning a clinical trial is to provide 'conclusive evidence of efficacy'. However, as field vets and scientists we should also recognise ... Read more

Trypanosomes - A millstone for the developing world and an insidious threat to Australian livestock | Posted March 2015
Written by:Bruce Watt, Central Tablelands Local Land Service, Bathurst NSW
Pathogenic forms of trypanosomes are the major constraint to livestock production in much of Africa and also cause losses in South America and Asia. In Australia, the species found in livestock are not obviously associated with disease ... Read more

Turtle mortalities on the Bellinger River | Posted May 2015
Written by: Sarah Britton, Animal Biosecurity & Welfare, NSW Department of Primary Industries (DPI)
In mid-February 2015, an increasing number of sick and dead turtles were reported from a section of the Bellinger River, presenting as emaciated and with severe eye lesions causing blindness ... Read more

Two cases of caprine listeriosis | Posted December 2012
Written by: Jacob Stone (final year veterinary student, The University of Sydney),
Michelle Monaghan (Lithgow Veterinary Hospital), Alison Wardman, (Lithgow Veterinary Hospital) and Bruce Watt (Tablelands LHPA, Bathurst)

In early July, a buck showing signs of hypersalivation, stupor and recumbency before death was autopsied. Two weeks later, the owner found a 3-year-old doe that was separated from the group, showing signs of disorientation, circling, followed by recumbency, leg paddling and death ... Read more


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Ventral oedema in Angora goats | Posted January 2014
Written by: Melissa Sullivan (student Charles Sturt University), Michelle Monaghan (Lithgow Veterinary Hospital), Diane Ryan (NSW DPI, Menangle) and Bruce Watt (Central Tablelands Local Land Services, Bathurst)
South African angora goats produce some of the finest mohair in the world but unfortunately, this selection for high quality fleeces has been linked to traits of reduced fitness, including a susceptibility to ventral oedema, known colloquially as ‘water belly’ or ‘swelling disease’ ... Read more

Veterinarian attitudes towards infection control practices | Posted April 2013
Written by: Navneet Dhanda, Karen Dowda, Mel Taylorb, Claire Hookera and Jenny-Ann Toribioa
aThe University of Sydney; bUniversity of Western Sydney

Animal health professionals have inherently high risks of exposure to zoonotic diseases. They are likely to be amongst the first people to encounter animals infected with zoonotic pathogens and to engage in high-risk interactions with them ... Read more

Veterinary diagnostics - the future: more than the laboratory | Posted March 2012
Written by: Adrian W. Philbey, NSW Department of Primary Industries, State Veterinary Diagnostic Laboratory, EMAI
We are moving into the age of molecular diagnostics, with potential for high throughput, rapid turnaround and highly specific molecular detection of pathogens in veterinary species ... Read more


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Wild Bird Mortalities | Posted April 2013
Written by: Matt Ball, Senior District Veterinarian Lismore, NSW
A beef cattle producer, located at Eureka NSW (near Lismore), reported to the North Coast LHPA the death of wild birds on his farm. The deaths began in mid January 2013 and all the birds were being found in one particular paddock ... Read more


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Yersinia enterocolitica abortion in a doe | Posted September 2012
Written by: Ian Poe, Mid Coast LHPA and Bruce Watt, Tablelands LHPA
In sheep, Y enterocolitica caused a severe generalised bacterial infection of the foetus. The following report is of a case of placentitis and abortion in a maiden Boer doe ... Read more