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VetMed Resource

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Abstract

Two group of calves, 36 Holstein cross-bred bull and 36 heifer calves (aged 6-8 months) were each divided into 6 groups of 6, in Belgium [date not given]. In both main groups, calves in the first control group (C1) and first treated group (T1) received a daily infection of 200 L3 of O. ostertagi...

Author(s)
Vercruysse, J.; Claerebout, E.; Dorny, P.; Demeulenaere, D.; Agneessens, J.; Smets, K.
Citation
Veterinary Record, 1998, 143, 16, pp 443-446
Abstract

Five groups of 7 Holstein cross bull calves were used to compare the persistent efficacy of doramectin and eprinomectin pour-on formulations against C. oncophora and O. ostertagi. Calves were given either doramectin or eprinomectin at 500 µg/kg body weight on day 0 (groups 1 and 2) or day 7 of the...

Author(s)
Dorny, P.; Demeulenaere, D.; Smets, K.; Claerebout, E.; Vercruysse, J.
Citation
Veterinary Record, 2000, 147, 5, pp 139-140
Abstract

A study was carried out to evaluate the effect of different infection levels of Ostertagia ostertagi and Cooperia oncophora in a simulated 'first grazing season' on the resistance of calves to an artificial challenge infection. The infection levels were determined by the infection schedules and the ...

Author(s)
Claerebout, E.; Vercruysse, J.; Dorny, P.; Demeulenaere, D.; Dereu, A.
Citation
Veterinary Parasitology, 1998, 75, 2/3, pp 153-167