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Published on: June 11, 2009
Survey of gastrointestinal nematode parasites in Saskatchewan beef herds
Murray Jelinski1, Emily Lanigan1, John Gilleard1
1Department of Large Animal Clinical Sciences (Jelinski, Waldner), Western College of Veterinary Medicine, University of Saskatchewan S7N 5B4; Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary T2N 1N4 (Gilleard); 826 Kenderdine Road, Saskatoon, Saskatchewan S7N 4V5 (Lanigan); Intervet Canada Corp., 16750 route Transcanadienne, Kirkland, Quebec H9H 4M7 (Royan).
Abstract:
A survey of gastrointestinal parasites in Saskatchewan beef herds was conducted over the summer of 2014. Fecal samples were collected on 3 occasions during the summer grazing season from beef cows and calves from 14 herds. The mean number of strongylid eggs per gram of feces recovered from calves increased 9-fold (95% CI: 4.5 to 18) over the summer period, while egg counts in the cows remained constant over the same period. The prevalence and infection intensities of gastrointestinal nematode parasites in cow-calf herds in Saskatchewan were comparable to what is seen in cattle grazing in the northern regions of the United States and for which anthelmintic treatments have resulted in positive production benefits.
