The present study focused on the study of the effect of the diets of two farms east of Mostaganem on the fat and protein qualities of the milk of dairy cows. A follow-up was carried out on two herds of black piebald and ...

This study was carried out in the wilaya of Chlef, during the period between February 2022 and June 2022, it concerns 40 cows and heifers of the Holstein, Montbéliarde, Fleckvieh breed, raised on farms under private sector. ...