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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Bibliographic Details
Main Author: Nilsson, Rebecca
Format: First cycle, G2E
Language:Swedish
Swedish
Published: 2009
Subjects:
Online Access:https://stud.epsilon.slu.se/208/

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