By Dorian G. Garrick, Anatoly Ruvinsky
Realizing of farm animals genetics and genomics has elevated dramatically. This booklet covers genetic parts in the back of very important components in livestock creation comparable to breeds, sickness resistance, progress, improvement, habit, physique composition and meat caliber. With major updates all through, this new version contains considerably up to date fabric, new contributing authors, and new chapters on genetics of fats creation and deposition, meals, feed consumption and feed potency, progress and physique composition and genomic choice in red meat and dairy livestock.
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Additional info for The Genetics of Cattle
2014). Several traits contribute to the adaptation of zebu to tropical and dry environments: a low metabolic rate, proliferation of large sweat glands, a large skin surface, a predominance of intramuscular instead of subcutaneous fat, a smooth coat, a low susceptibility to insects, ticks and protozoa and good utilization of low-quality fodder (Turton, 1991, see also Chapter 23). The heat tolerance often encouraged zebu introgression in spite of the higher productivity of European taurine cattle.
A higher density of cattle probably played a role in the frequent occurrence of rinderpest epidemics (Broad, 1983; Spinage, 2003). In The Netherlands this necessitated the import of cattle from Jutland and Holstein, which were the ancestors of the Dutch black and red pied dairy cattle (Felius, 1995). From the 18th century, breed formation had a most profound influence on the appearance, productivity and genetic constitution of cattle. This was achieved by systematic selection of breeding bulls accord ing to explicit breeding objectives within genetically isolated regions.
And RuizLinares, A. (2003) Abundant mtDNA diversity and ancestral admixture in Colombian criollo cattle (Bos taurus). Genetics 165, 1457–1463. , Sasazaki, S. et al. (2010) Zebu cattle are an exclusive legacy of the South Asia Neolithic. Molecular Biology and Evolution 27, 1–6. Ciani, F. and Matassino, D. (2001) Il bovino grigio allevato in Italia: origine ed evoluzione. Nota 2: il bovino macrocero [Grey cattle reared in Italy: origin and evolution. Note 1: long-horned cattle]. Taurus Speciale 13, 89–99.