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Abstract

A two-year study was conducted to assess the effects of ivermectin (with clorsulon) and long-acting moxidectin on the development of replacement beef heifers carrying naturally occurring parasite infections. Replacement beef heifers (n=105) were obtained at weaning and co-grazed on permanent...

Author(s)
Powell, J. G.; Yazwinski, T. A.; Tucker, C. A.; Johnson, Z. B.; Brown, A. H., Jr.; Reynolds, J. L.; Clymer, B. C.
Publisher
American Association of Bovine Practitioners, Stillwater, USA
Citation
Bovine Practitioner, 2009, 43, 2, pp 97-105
Abstract

The current study was conducted to obtain regional data on Cydectin® Long-Acting (LA) Injectable administered to cattle subcutaneously in the dorsal aspect of the ear at the rate of 1.0 mg moxidectin/kg body weight (bw) in regard to: (1) safety; (2) ease of administration; and (3) effectiveness...

Author(s)
Yazwinski, T. A.; Edmonds, J.; Edmonds, M.; Tucker, C. A.; Johnson, E. G.
Publisher
Therapeutic Solutions LLC, Newtown, USA
Citation
International Journal of Applied Research in Veterinary Medicine, 2006, 4, 3, pp 217-223
Abstract

Some of 36 Holstein heifers, 5-6 months old, were given an ivermectin bolus at the start of 25 weeks of grazing. Treatment was highly effective against species of Cooperia, Dictyocaulus, Haemonchus, Ostertagia and Nematodirus (as judged by faecal egg counts and larval culture) and it resulted in...

Author(s)
Smith, L. L.
Citation
Proceedings of the Annual Convention, American Association of Bovine Practitioners, 1994, 26, pp 154-156
Abstract

Six studies involving 330 cattle were conducted in Argentina, Brazil and Colombia to compare the efficacy of injectable endectocides in cattle grazing naturally infested pastures. Cattle were ranked either by weight or faecal egg count into single sex blocks and within blocks were randomly...

Author(s)
Entrocasso, C.; Parra, D.; Vottero, D.; Farias, M.; Uribe, L. F.; Ryan, W. G.
Citation
Veterinary Record, 1996, 138, 4, pp 91-92
Abstract

Bulk milk samples were collected from 134 farms at monthly intervals on 3 occasions in 1992. ELISA titres to Ostertagia ostertagi found in October at the end of the grazing season served as a basis to select 16 and 18 farms as having high and low levels of parasitism, respectively. Heifers and cows ...

Author(s)
Kloosterman, A.; Ploeger, H. W.; Pieke, E. J.; Lam, T. J. G. M.; Verhoeff, J.
Citation
Veterinary Parasitology, 1996, 64, 3, pp 197-205
Abstract

A total of 41 cows and their calves were used to evaluate the effect of midsummer treatment (August 3) with ivermectin (IVOMEC) in Oklahoma, USA. August-October weight gains in calves (119 lbs in 21 controls compared with 143 lbs in 20 treated animals) were significantly improved by treatment....

Author(s)
Smith, S. C.; Kelley, J. W.
Citation
Animal Science Research Report, Agricultural Experiment Station, Oklahoma State University, 1991, MP-134, pp 201-203
Abstract

Effects of strategic anthelmintic treatment on pathophysiological and immunological changes induced by infection with Ostertagia ostertagi and Cooperia oncophora were studied in 2 groups of 12 calves each: an infected group, inoculated with 200 000 mixed O. ostertagi and C. oncophora third-stage L3 ...

Author(s)
Yang, C.; Gibbs, H. C.; Xiao, L.; Wallace, C. R.
Citation
American Journal of Veterinary Research, 1993, 54, 12, pp 2048-2055
Abstract

Immunomodulation by O. ostertagi and the effects of strategic anthelmintic treatments were studied in 3 groups of 6 calves each: an infected group inoculated with 100 000 third-stage larvae (L3)/calf at 1 and 28 days; an infected-treated group, similarly inoculated, but treated with ivermectin 9...

Author(s)
Yang, C.; Gibbs, H. C.; Xiao, L.
Citation
American Journal of Veterinary Research, 1993, 54, 7, pp 1074-1083
Abstract

The 2 injectable formulations of ivermectin were administered intraorally at 200 µg/kg body weight and evaluated against naturally occurring infections by abomasal nematodes in lambs in 2 controlled tests. One test (A) included 17 lambs treated with the equine formulation and 16 nontreated lambs....

Author(s)
Lyons, E. T.; Drudge, J. H.; Tolliver, S. C.
Citation
American Journal of Veterinary Research, 1986, 47, 6, pp 1345-1346
Abstract

Ten 7-month-old calves were put on a pasture heavily contaminated with nematodes (mainly Ostertagia ostertagi and Cooperia) in early November. A month later they were taken off the pasture and housed. A month after housing, five were injected subcutaneously with ivermectin at the recommended...

Author(s)
Kerboeuf, D.; Hubert, J.; Stang, J.-P. le.
Citation
Recueil de Médecine Vétérinaire, 1985, 161, 10, pp 773-777

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