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Inbreeding study of the Cuban criollo bovine cattle  [2009]

Rodríguez, M., Centro de Investigaciones para el Mejoramiento Animal de la Ganadería Tropical Guerra, D., Centro de Investigaciones para el Mejoramiento Animal de la Ganadería Tropical

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Inbreeding levels in the Cuban Criollo bovine cattle population and its effect on weaning weight were studied using a sample of 5 460 weaning weight (WW) records between 1989 and 2003 from the Cattlebreeding Enterprise "Manuel Fajardo", Granma province. Animals were the offspring of 52 sires and 1 883 dams distributed in 5 herds. Average inbreeding for the total population was of 1.16% of 4.2% for inbred animals. Inbreeding values ranged between 1 and 26% and 44.4% of the animals were inbred. It was determined that for every 1% of inbreeding increase, weight is reduced by 2.67 kg. Since this is the only native genetic bovine cattle resource of Cuba which is adapted to our conditions for more than 500 years, it is important to increase the effective size of the population and to carry out least kinship mating to avoid inbreeding increases.

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Ciencia y Tecnología Ganadera

ISSN : 1998-3050

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