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EVOLUTION OF FRIESIAN CATTLE POPULATIONS IN SPAIN

Published online by Cambridge University Press:  01 August 2011

V. Calcedo ordófiez
V. Calcedo ordófiez
Affiliation:
Dirección Territorial del Ministerio de Agricultura, Pesca y Alimentación en Cantabria, Plaza de Atarazanas No. 2, 39071 Santander, Spain
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Summary

Genetic changes have taken place in the Spanish cattle population as a result of breed replacement and crossbreeding as well as from H61stein-Friesian strain influence. In the last 20 years interest in the Holstein (Canada, and the USA) has increased, so that the North American strain today contributes to a high percentage of the genes in the Spanish Friesian herd. It is not yet clear what effect the introduction of quotas will have on the breed and strain composition of the Spanish dairy population, but in view of the role that Friesian type animals play in beef production, any major change in milk price will affect the genetic make-up. Estimated percentages of Holstein genes (bull catalogue, bulls, genetic evaluation and utilized semen doses) are given.

Type
Research Articles
Information
Animal Genetic Resources/Resources génétiques animales/Recursos genéticos animales , Volume 7 , April 1990 , pp. 29 - 33
Copyright
Copyright © Food and Agriculture Organization of the United Nations 1990

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References

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