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Daily Telegraph, Friday 21 May 1920, page 9




The business of the annual conference of the Institute of Stock Inspectors was concluded yesterday. Mr. R. W. Dawson (Goulburn) occupied the chair.

Mr. M. Henry, veterinary surgeon, gave a demonstration on morbid specimens. and explained the methods of detecting various forms of disease.

Mr. S. T. D. Symons, Chief Inspector of Stock, referred to the advantage that would accrue to the public generally if dairy products were placed under the supervision and control of the Department of Agriculture until they reached the distributing companies. He said that the inspection and control of all slaughtering premises outside the metropolitan area and all other matters appertaining to saleyards and stock generally should be under the department. He hoped that in the near future such control would become an established fact.

Mr. W. W. Froggatt, Government Entomologist, outlined the results that had been obtained from experiments carried out in New South Wales in regard to the sheep fly. The experiments conducted at Wanab comprlsed an area of a little over 10,000 acres of typical Liverpool Plains country. At present on this area 100 departmental fly traps were in use. They were set out at intervals of half a mile apart all over the area. The results obtained had been interesting, and from the very start of the operations the traps had attracted the flies. In February and March the green flies and the English blow flies were about in enormous numbers. The traps had been cleaned out twice in six months, and at a very low estimate 10,000,000 adult flies had been accounted for. As a female fly was capable of laying 1,000,000 or more eggs, in value the traps would be realised.

"Now, the questlon is," said Mr. Froggatt, "where do those flies breed, except at the sheep yards, when drafting is being carried out and at the traps. We find no blow flies In the adjacent bush. Yet at midday in the months of January, February, March, and part of April each of our traps was like a beehive. You could not see through the wire gauze on account of the swarms of clustering imprisoned flies. We have swept the grass and gullies at all times of the day with nets, and can find no blowflies there.

"The question of trapping flies is a very important one, and I am quite certain that if all sheepowners trapped flies round their homesteads, the watering and feeding and camping places of sheep, and the moist patches at wells and tanks, there would be a marked elimination of flies in a very short time.

The members of the conference will visit the Hawkesbury Agricultural College today, where Mr. B. Breakwell, Agristologlst to the Department of Agriculture, will deliver a lecture on "Aspects of Agristology."


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