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Abstract

From March to July 1986, the prevalence of gastrointestinal and lung helminths was determined in 119 spring born cattle, slaughtered periodically from weaning (at 6 months) until they were 22-24 months old. The animals were taken from 5 grazing areas in the semiarid region and 3 in the subhumid...

Author(s)
Suárez, V. H.
Citation
Revista de Medicina Veterinaria (Buenos Aires), 1990, 71, 1, pp 6-18
Abstract

Fifteen 9 to 12-month-old calves naturally infected with gastrointestinal nematodes and Dictyocaulus viviparus were divided into 3 groups of 5 animals and given 3.18 mg/kg levamisole i.m., 2.70 mg/kg or a placebo. PM studies 7 and 8 days after treatment indicated that the effectiveness of 3.18 and...

Author(s)
Quiroz Romero, H.; Reyes Escamilla, A.; Huerta Martínez, M.; Dorantes Martínez, J.; Salazar Ledezma, V.; Guerrero Molina, C.
Citation
Veterinaria México, 1992, 23, pp 343-345
Abstract

After introducing the relevant parasites (Ostertagia ostertagi, Trichostrongylus axei, Cooperia oncophora and Dictyocaulus viviparus) and describing their epidemiology, the advantages and disadvantages of various strategies for the control of the parasites are discussed. The importance of a...

Author(s)
Steffan, P.
Citation
Veterinaria Argentina, 1992, 9, 84, pp 262-272
Abstract

The parasitic infections encountered in the semi-arid, sub-humid Pampas area of Argentina are discussed. The most important parasites found there are Ostertagia ostertagi, Haemonchus placei, Trichostrongylus axei, Cooperia oncophora and Cooperia punctata. The less common parasites present are ...

Author(s)
Suarez, V. H.
Publisher
Estacíon Experimental Regional Agropecuaria Anguil (INTA) (EEA), Anguil, Argentina
Citation
Boletín de Divulgación Técnica, INTA, 1993, No. 45, pp 1-27
Abstract

To evaluate the protective immunity conferred by Dictyocaulus viviparus60Co irradiated larvae (L3), 7 calves were inoculated with 1000 irradiated (400 Gy) L3 on days 0 and 21. Another 7 calves were kept as controls. Both groups were challenged 21 days after the second inoculation with 22...

Author(s)
Cantó Alarcón, G. J.; López Arellano, M. E.; Liebano Hernández, E.; Milián Suazo, F.; Vázquez Prats, V.
Citation
Técnica Pecuaria en México, 1994, 32, 2, pp 90-97
Abstract

Faecal samples from 1440 cattle from the lower Cauca region of Antioquia Province, Colombia, were examined for parasite oocysts, eggs and larvae during 1992-93. Parasites were detected in 95% of cattle under one year of age, in 89% of cattle aged between one and 2 years, and in 79% of cattle aged...

Author(s)
Mejía, J.; Cadrazco, B.; López, G.; Ramírez, M. E.
Citation
Actualidades Corpoica, 1994, 8, 96, pp 1-5

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