Abid Al-Jabber , L., Al-Zuhairi, M. and A. Ali, D. (1992) “GENETIC RESISTANCE OF AWASSI SHEEP INFECTED WTH HAEMONCIIUS CONTORTUS ; A. THE EFFECT OF NUTRITION LEVEL ON PRODUCTION TRAITS ”., The Iraqi Journal of Veterinary Medicine, 16(1), pp. 84–105. doi:10.30539/ijvm.v16i1.1616.