Evidence for genetic control of nematode egg-shedding rates in calves

Differences in nematode fecal egg counts from 167 purebred Angus calves born in 1986 and 133 born in 1987 that had been naturally exposed to infection on pasture were analyzed for sire effects. The calves were sired by 26 different bulls, all of which were related. Differences among fecal egg counts...

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Veröffentlicht in:	The Journal of parasitology 1989-08, Vol.75 (4), p.498-504
Hauptverfasser:	Leighton, E.A. (Maryland Agricultural Experiment Station, Wye Research and Education Center, Queenstown, MD), Murrell, K.D, Gasbarre, L.C
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal genetics Animals Biological Control CALVES Cattle Cattle Diseases - genetics Cattle Diseases - immunology CONTROL DE NEMATODOS CONTROL GENETICO Dams Eggs Feces - parasitology Female GENETIC CONTROL GENOMAS GENOME GENOMES Heritability Immunity, Innate INFECCIONES POR NEMATODOS LUTTE ANTI-NEMATODE LUTTE GENETIQUE Male Medical genetics Nematoda Nematoda - physiology NEMATODE CONTROL Nematode eggs NEMATODE INFECTIONS Nematode Infections - genetics Nematode Infections - immunology Nematode Infections - veterinary Nematodes NEMATODOSE OVA OVULE OVULO Ovum - cytology Parasite Egg Count Pastures Statistical variance TERNERO VEAU
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