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The aim of this study was to evaluate selection criteria in Gyr [Gir] cattle based on the traits such as average daily gain from birth to weaning (ADG) and number of days to gain 160 kg from birth to weaning (D160). Data from the Brazilian Association of Zebu Breeders of 16 592 calves, 507 sires,...

Muniz, C. A. S. D.; Queiroz, S. A.; Carvalheiro, R.; Fries, L. A.
Institut National de la Recherche Agronomique (INRA), Montpellier, France
Proceedings of the 7th World Congress on Genetics Applied to Livestock Production, Montpellier, France, August, 2002. Session 2, 2002, pp 0-4
AbstractFull Text

This study was carried out to investigate variance components, direct, maternal genetic parameters, estimated breeding values and factors affecting pre-weaning growth criteria of Romney sheep. Data were collected over the period from 2006 to 2012 with records of 4989 lambs descended from 76 rams...

Faid-Allah, E.; Ghoneim, E.; Ibrahim, A. H. M.
Pusat Penelitian dan Pengembangan Peternakan, Bogor, Indonesia
Jurnal Ilmu Ternak dan Veteriner, 2016, 21, 2, pp 73-82