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Conservation considerations on Danish Shorthorn Cattle using pedigree analysis

Published online by Cambridge University Press:  01 August 2011

M. Trinderup ,
J. N. Jørgensen  and
M. Hansen
M. Trinderup
Affiliation:
Department of Animal Science and Animal Health, the Royal Veterinary and Agricultural University, 13 Bülowsvej, 1870 Frederiksberg C, Denmark
J. N. Jørgensen
Affiliation:
Department of Animal Science and Animal Health, the Royal Veterinary and Agricultural University, 13 Bülowsvej, 1870 Frederiksberg C, Denmark
M. Hansen
Affiliation:
The Danish Agricultural Advisory Centre, The National Committee of Danish Cattle Husbandry, 15 Udkjærsvej, Skejby, 8200 Århus N, Denmark
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Summary

The gene dropping method was applied to the pedigree of Danish Shorthorn in order to estimate the proportion of alleles of the old type of Danish Shorthorn in the population of 1997.

It was found that about 23% of the alleles in the population of 1997 originated from the old type. Of 21 base animals of the old type, alleles of seven animals were completely lost in the gene dropping while only six base animals contributed with 20.2% of the alleles in the 1997 population. Inbreeding coefficients ranged from zero to 35.6% with a mean of 4.1%.

Résumé

La méthode gene droppinga été appliquée pour le pédigré du Danois à courtes cornes afin d'estimer la proportion des allèles appartenant au vieux type de Danois à courtes cornes dans la population en 1997. On a trouvé que 23% des allèles dans la population en 1997 provenait du vieux type. Parmi les 21 animaux de base appartenant au vieux type, les allèles de sept d'entre eux ont été complètement perdus pendant le gene dropping, tandis que seulement six des animaux de base ont contribué avec 20,2% des allèles pour la population de 1997. Les coefficients de consanguinité vont de zéro à 35,6% avec une moyenne de 4,1%.

Keywords

DiversityBeef cattleGene dropping
Type
Research Articles
Information
Animal Genetic Resources/Resources génétiques animales/Recursos genéticos animales , Volume 26 , April 1999 , pp. 27 - 33
Copyright
Copyright © Food and Agriculture Organization of the United Nations 1999

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