Amaizik, , S.A. 2007. “Study of Lameness Cases and Their Effects on Milk Yield of Lactating Friesian Cows Imported to Ghot Al-Sultan - LIBYA”. Al-Mukhtar Journal of Sciences 16 (1). Al Bayda, Libya:19-28. https://doi.org/10.54172/mjsc.v16i1.866.