Brunstvisningsförmåga hos SRB- och Holsteinkvigor

Oestrus in dairy cattle has changed over the last decades, the duration has decreased and the intensity of oestrus has declined. A possible explanation can be their high and increasing milk production. Heifers ability to show oestrus is probably not affected to the same extent. The aim of this stu...

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Bibliographic Details

Main Author:	Mattsson, Camilla
Format:	H2
Language:	Swedish Inglés
Published:	SLU/Dept. of Animal Breeding and Genetics (until 231231) 2013
Subjects:	brunstvisningsförmåga brunststyrka brunstlängd ståbrunst progesteron östrogen kvigor