Optimal inkalvningsålder för rekryteringskvigor till mjölkproduktion

Heifer’s growth may be divided into three main phases: calf period, puberty and pregnancy. When the heifers are about three months old a critical period begins. This period ends when the heifer reach puberty and have her first oestrus at around 9-12 months of age. In the critical period the mammary...

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Detalles Bibliográficos
Autor principal: Nilsson, Rebecca
Formato: First cycle, G2E
Lenguaje:sueco
sueco
Publicado: 2009
Materias:
Acceso en línea:https://stud.epsilon.slu.se/208/

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