Calcium salts of fatty acids (Energol) in feed ration for cows after parturition as a source of increased energy addition and their effect on some characteristics of metabolism, reproduction and milk production

aspartate aminotransferase aspartato aminotransferasa bilirrubina bilirubin bilirubine blood plasma cholesterol colesterol compound feeds dairy cows feeding level glucosa glucose lipide lipids metabolism metabolisme metabolismo milk yield niveau d'alimentation nivel alimenticio organic acid salts peptidasas peptidase peptidases piensos compuestos plasma sanguin progesterona progesterone puerperio puerperium rendement laitier rendimiento lechero reproduction sel d'acide organique triglyceride triglycerides vacas lecheras