Aggoun, Nacira; Ghoribi, Loutfi
(Université Frères Mentouri - Constantine 1, 2021-07-25)
Our work was carried out at the level of 12 farms located in 3 willayas of eastern Algeria (Bejaïa, Constantine, Sétif). The study was carried out over 10 campaigns from 2005 to 2015 and focused on a workforce of 493 cows. ...