Now showing items 1-7 of 7
Strategic use of anthelmintics for parasitic nematodes in cattle and sheep
Treatment regimes for the control of parasitic nematodes in cattle and sheep are reviewed. The advantages and disadvantages of each strategy are outlined and the veterinarian's judgement of the management and economic ...
The pharmacodynamics of ivermectin in sheep and cattle
The concentrations of ivermectin in the gastrointestinal tract of sheep and cattle were determined after subcutaneous administration of ivermectin. Ivermectin was not detected (limit of detection 1 ng/ml) in abomasal and ...
Production of strains of the sheep parasite Ostertagia circumcincta by implantation of adult parasites into the abomasum of lambs
The implantation of a single pair of adult parasites of Ostertagia circumcincta via the abomasa of four lambs resulted in the production of 19, 53, 393 and 425 viable larvae after faecal culture using faeces collected from ...
Forms of bovine pepsinogen in plasma from cattle with three different 'syndromes' of Ostertagia ostertagi infection
Calves infected orally with third stage larvae of Ostertagia ostertagi or infected with adult O ostertagi by direct transplantation into the abomasum had raised plasma pepsinogen activity, as did four-year-old dairy cattle ...
Efficacy of ivermectin against Cooperia curticei infection in sheep
Lambs were inoculated with a single dose of Cooperia curticei. Subcutaneous administration of ivermectin at a dosage of 200 micrograms/kg of body weight resulted in 61.1% and 90.4% anthelmintic efficacy, when measured at ...
Comparison of ivermectin, oxfendazole and levamisole for use as anthelmintics during the periparturient period in sheep
Ewes synchronised with progestin impregnated sponges to reduce the spread of lambing were treated during the periparturient period with anthelmintic. The suppression of nematode egg output in faeces was measured in ewes ...