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Sydney Morning Herald, Thursday 18 April 1935, page 9




Annual Conference.





Dr, I. Clunies Ross, parasitologist to the Council for Scientific and Industrial Research at the McMaster Institute, spoke yesterday to the conference of the Institute of Inspectors of Stock of New South Wales on "Some recent advances In veterinary parasitology."

Referring to treatment for worms in sheep on the northern tablelands, the speaker said that an enema drench, composed of copper sulphate and sodium arsenate, used in the months of June and July gave promise of effectively wiping out the whole of the worm infestation in a flock in one treatment. Furthermore, it had been decided that starvation and mustard need not be resorted to in the treatment. Research in Australia, South Africa, and European countries had demonstrated that the ineffectiveness of treating some of the intestinal and large bowel worms was due to inability to control the passage of the medicines to the organs in which the parasites were situated. By the time the medicines had passed on to the organs in question, they were too diluted to be effective.

The president of the conference, Mr. C. J. Woollett, inspector of stock at Lismore, speaking on "Pig Diseases," said that most of these were brought about by insanitary conditions, and mortality frequently stopped as soon as the conditions were improved. Wallowing in mud and filth, unless the troughs were protected, the pigs carried the dirt into the food and thence into their bodies. When young they had little resistance to these organisms. He had demonstrated to farmers on more than one occasion that if they took steps to keep the little pigs from getting into troughs they would have very little trouble. A one per cent. solution of caustic soda was absolutely effective to swill out the troughs. Battens should then be put across to keep the pigs out, and the farmers' troubles were over. Two parts of oyster shell, finely powdered, two parts of bone meal, and one part of salt, mixed together, and a tablespoonful put in the sows' food morning and afternoon would give very satisfactory results in regard to posterior paralysis and nervous troubles among young, pigs. Bone flour was wonderful, but not more than a dessertspoonful was necessary at a time. Meat meal he had also found very beneficial when used in limited quantities, but iodine was of no use on the North Coast.


Mr. W. J. Smith, inspector of stock at Young, gave a racy discourse on "Diseases and Complaints of Stock met with Under Field Conditions." Commenting on the grasshopper plague and steps taken to combat it, he said he did not wait until the grasshoppers overwhelmed them, but poisoned 75 miles, and all stock routes, and met the hoppers when they were advancing in mass formation, five chains wide, five chains deep, and ten tiers high. (Laughter). By having the baits prepared, and spreading them immediately in front of the hoppers, not lightly, but according to the numbers, instead of having a living, seething, teeming mass, eating everything before it, they had a poisoned mass next day.

"You can get results when you put the poison out." the speaker said. "There were a lot of unbelievers, but the practical demonstration converted them. The hoppers are offensive in life, and offensive in death," he added, referring, to the work of the poison. No birds were seen eating the poison, nor did they eat the dead hoppers—they were too busy eating the live ones.

This afternoon was spent by Mr. Roy Stewart in answering a number of questions by stock inspectors as to how they could overcome problems met with from day to day.

Papers were read by Mr. E. Reuss, inspector of stock, Mudgee ("Grass-seed abscesses and T.B. in cattle"), and by Mr. E. A. Lucas, inspector of stock, Maitland ("Some observations on stock inspectors' work").



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