Epidemiology of gastrointestinal nematode infections in grazing yearling beef cattle in Saskatchewan.

The objective of this study was to provide contemporary data on the epidemiology of gastrointestinal nematode parasite infections of grazing yearling beef cattle in the province of Saskatchewan. Fecal samples ( = 1290) were collected over 4 time periods during the summer grazing season from 21 separately managed groups of cattle. Fecal egg counts (FEC) were estimated using generalized estimating equations with a negative binomial distribution with log link function, adjusting for clustering of samples within each herd for each time period.

Survey of gastrointestinal nematode parasites in Saskatchewan beef herds.

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.

Individual intake and antiparasitic efficacy of free choice mineral and fenbendazole in range calves.

The current study was conducted to assess the feasibility of fenbendazole (FB) administration to steers in a free choice mineral supplement. Provision of free choice FB reduces the need for handling of animals as well as decreases the level of animal parasitism. Two separate trials were conducted using 400 +/- 19 kg Holstein steers (n=14 and 17) during the months of July and August.

CA 72-4 compared with CEA and CA 19-9 as a marker of some gastrointestinal malignancies.

The objective of this study was to compare CA 72-4 with CEA and CA 19-9 in gastrointestinal malignancies. CA 72-4 was assayed by radioimmunoassay and CEA and CA 19-9 with the Abbott IMx analyser. The study included 52 patients with gastrointestinal cancer and 20 controls with benign gastrointestinal diseases.

Efficacy of fenbendazole for treatment of giardiasis in calves.

Objective: To determine efficacy of fenbendazole for treatment of giardiasis in calves.

Animals: Twenty male and 15 female Holstein calves (100 to 180 kg), naturally infected with Giardia sp.

Procedure: In vitro fenbendazole susceptibility and resistance development was determined for a ruminant Giardia isolate by use of an adherence assay.