Publications

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efficacy of oxfendazole against inhibited larvae of ostertagia ostertagi in naturally infected calves in the southern usa.forty yearling calves were assigned to four equal groups; three of the groups were treated with oxfendazole at dose rates of 6.75 mg/kg, 4.50 mg/kg, or 2.25 mg/kg bodyweight while the fourth group served as an untreated control. the calves were native to north-east mississippi, usa, and harboured natural infections of gastrointestinal nematodes. the study was conducted during july when inhibited early fourth-stage larvae may be found in large numbers after their acquisition in the spring. the ca ...19892728298
seasonal pattern of inhibition of ostertagia ostertagi in calves in northeast mississippi.the composition of, and seasonal changes in, populations of gastrointestinal parasites of calves in northeast mississippi were determined for 10 months post-weaning. after weaning on 15 october, 20 mixed breed beef steers were grazed together on a 4 ha fescue/bermudagrass pasture. from november through august of the following year, two of the calves were removed each month for necropsy and counting of gastrointestinal nematodes. eight species of worms were found: haemonchus placei, ostertagia os ...19968983154
persistent activity of doramectin injectable formulation against experimental challenge with haemonchus placei in cattle.two studies were conducted in north america to evaluate the persistent activity of doramectin injectable formulation against experimental challenge with haemonchus placei. in both studies, calves were randomly assigned to 1 of 4 treatment groups (n = 10 per group) or a larval viability group (n = 2). calves were treated subcutaneously in the lateral midline of the neck with saline (1 ml/50 kg) on day 0, or with doramectin (200 mg/kg = 1 ml/50 kg) on day 0, 7, or 14. animals used to assess larval ...199910489196
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