Ali Bikila, Bona; Ameha, (PhD) Negassi; Girma, (PhD) Meseret; Zeryehun, Tesfaheywet
(Haramaya university, 2019-10)
The study was conducted to investigate the effects of different levels of black cumin seed (Nigella sativa L.) on chicken performances, fertility and hatchability of egg, chick quality, embryonic mortality, blood parameters ...