Synchronisation des Chaleurs chez les Bovins dans la Région de Oued Rhiou Wilaya de Relizane

Abstract

This study was carried out in the wilaya of Relizane, during the period between February 2020 and June 2020, it concerns 43 cows and heifers of the Holstein, Montbéliarde, Fleckvieh breed, raised on farms under private sector. with the aim of evaluating the zootechnical performances of dairy cows and determining the strengths and weaknesses of the management of dairy cattle with regard to reproduction management, in particular that of heat synchronization reproductive performance and productivity females. from the use of the appropriate protocol (PRID Delta, use of prostaglandin F2 Alpha, GPG protocol.) The information collected was processed by Excel 2016 software to calculate the averages.