Gambaran status reproduksi pada sapi perah melalui pengukuran progesteron susu dengan metoda elisa
Determination of reproduction status was carried out 16 lactation dairy coes at Faculty of Veterinary of Animal Science - IPB by measurement of milk progesteron level by Enzyme Immunoassay.
This result could concluded that : oestrus, post oestrus and pregnant, respectively, where as 7 cows were oestrus, I Cow post oestrus, 3 cows dubius pregnant and 5 cows pregnant.
Comfirmation by rectal palpation was done one week later and shown that : 4 of 5 diagnosed pregnant, I cows need recheck.
The accuracy of milk progesteron assay by Enzyme Immunoassay (EIA) in this case was 80% for positive pregnant.