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Optimization Of A Selection Scheme For Milk Composition And Yield In Milking Ewes : Example Of The Lacaune Breed, F. Barillet, J. M. Elsen, M. Roussely
Optimization Of A Selection Scheme For Milk Composition And Yield In Milking Ewes : Example Of The Lacaune Breed, F. Barillet, J. M. Elsen, M. Roussely
3rd World Congress on Genetics Applied to Livestock Production
Management of the genetic improvement of milking ewes depends: on the obvious fact that they are both dairy animals and sheep. This paper deals with the Lacaune breed situation in France. It paints out the way to build the selection scheme,on two particular aspects:the need to rationalize and simplify milk recording both for milk composition and milk yield, and the concurrent use of AI and natural mating, within the scope of a pyramidal management of the population. We sum up the main results of studies on these different aspects in this paper. In the course of the last twenty years,phenotypic …