Keresés
1-2 tétel 2 közül
Postpartum anoestrus in dairy cows
(2016)
Fertility in dairy cows has declined due to the increased milk yield although
veterinary medicine has been improved throughout ages. In order to be able to detect
fertility problems, the normal oestrus cycle of cattle ...
Oestrus synchronisation in dairy cattle with GnRH and prostaglandin drugs
(2016)
The objective of this thesis is to provide an overview of the various methods of oestrus synchronisation in dairy cattle using PGF2a and/or GnRH-based treatment protocols and explore both their positive and negative impact ...