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Abstract

Of 16 naturally infected cattle aged 10-12 months, not previously wormed, 8 were treated with 500 µg/g ivermectin pour-on. Faecal examinations, and PM examinations on days 9-10, revealed 100% efficacy against Haemonchus placei, Oesophagostomum radiatum, O. venulosum and Dictyocaulus viviparus, over ...

Author(s)
Steffan, P. E.; Castro, T. E.
Citation
Veterinaria Argentina, 1990, 7, 70, pp 668,670-674
Abstract

Three groups of 11 naturally infected crossbred beef calves were injected subcutaneously with moxidectin 1% injectable at 0.2 or 0.3 mg moxidectin/kg bodyweight or with the unmedicated vehicle. Nematode infections had been acquired during grazing from December to April. Based on the faecal egg...

Author(s)
Williams, J. C.; Barras, S. A.; Wang, G. T.
Citation
Veterinary Record, 1992, 131, 15, pp 345-347
Abstract

The efficacy of a topical formulation of ivermectin (0.5% w/v solution at a dose rate of 500 µg/kg) against naturally acquired gastro-intestinal nematodes in weaner cattle was evaluated. At slaughter, 14-15 days after treatment, burdens of Ostertagia spp., Trichostrongylus axei and Oesophagostomum...

Author(s)
Bisset, S. A.; Brunsdon, R. V.; Forbes, S.
Citation
New Zealand Veterinary Journal, 1990, 38, 1, pp 4-6
Abstract

Fifty-five cattle (6 months of age, weighing 104 to 263 kg) with known faecal egg counts were treated with oxfendazole at a dose of 4.5 mg/kg bwt, orally, intraruminally or with top-dress pellets mixed in the food. In all the groups reductions in the percentage of larvating ova were observed by 8...

Author(s)
Bradley, R. E.
Citation
Agri-Practice, 1989, 10, 3, pp 5-7
Abstract

The anthelmintic effectiveness of moxidectin, administered topically at the rate of 500 µg/kg bwt, was determined for lactating dairy cows in Arkansas, USA. Naturally infected animals were given either topical vehicle or moxidectin (Cydectin Pour-On) at the rate of 1 ml/10 kg bwt (10...

Author(s)
Yazwinski, T. A.; Tucker, C.; Copeland, S.; Yazwinski, T.; Guerino, F.
Citation
Veterinary Parasitology, 1999, 86, 4, pp 223-228
Abstract

Twenty crossbred beef heifer calves were used for an efficacy evaluation of 0.5% moxidectin pour-on against gastrointestinal nematodes and Dictyocaulus viviparus. The latter parasite and Bunostomum phlebotomum were the target species. The calves were exposed to natural infection on pasture from...

Author(s)
Williams, J. C.; Broussard, S. D.; Wang, G. T.
Citation
Veterinary Parasitology, 1996, 64, 4, pp 277-283
Abstract

The therapeutic efficacy of doramectin administered subcutaneously at a dose rate of 200 µg/kg (1 ml/50 kg) was assessed in cattle harbouring natural mixed field infections of gastrointestinal and pulmonary nematodes in Minas Gerais, Brazil. Twenty male 10- to 15-month-old Zebu × Holstein calves...

Author(s)
Lima, J. D.; Muniz, R. A.; Lima, W. dos S.; Gonçalves, L. C. B.; Silva, A. C. da; Guimarães, A. M.
Citation
Revista Brasileira de Parasitologia Veterinária, 1995, 4, 1, pp 49-52
Abstract

Two groups, each of 7 naturally infected calves, were given single oral dose of 10 or 25 mg/kg closantel and, along with 7 controls, killed after 7 days. PM worm counts, after artificial digestion of abomasum and small intestine, revealed high efficiency against adult and immature Haemonchus...

Author(s)
Costa, A. J. da; Rocha, U. F.; Melito, I.; Vidotto, O.
Citation
Semina, Medicina Veterinaria, 1986, 7, pp 28-33
Abstract

Eight controlled trials were conducted, using 96 cattle of European breeds, to evaluate the efficacy of abamectin against natural and artificially acquired infections by adult and fourth-stage larvae of all the economically important gastrointestinal nematodes and lungworms in Germany and the UK....

Author(s)
Heinze-Mutz, E. M.; Pitt, S. R.; Bairden, K.; Baggott, D. G.; Armour, J.; Barth, D.; Cramer, L. G.
Citation
Veterinary Record, 1993, 132, 2, pp 35-37
Abstract

The efficacy of doramectin (200 mg/kg) against intestinal nematodes in 10 Nelore heifers was studied; 10 further cattle served as untreated controls. From days 14 to 18 after treatment 2 animals from each group were necropsied and examined for nematodes. The results showed that the treatment was...

Author(s)
Bianchin, I.; Honer, M. R.; Nascimento, Y. A. do; Gonçalves, L. C. B.; Muniz, R. A.; Rew, R. S.
Citation
Revista Brasileira de Parasitologia Veterinária, 1993, 2, 1, pp 11-13

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