Shittu, Aminu; Raji, Abdullahi Abdullahi; Madugu, Shuaibu A.; Hassan, Akinola Waheed; Fasina, Folorunso Oludayo
(BioMed Central, 2014-09-12)
BACKGROUND: Layer chickens are exposed to high risks of production losses and mortality with impact on farm
profitability. The harsh tropical climate and severe disease outbreaks, poor biosecurity, sub-minimal vaccination ...
