YAQOOB, M, B G MERREL, P AKHTAR, H NAWAZ, J I SULTAN, and M I MUSTAFA. 2010. “Comparison of Suffolk, Texel and Charollais Sired Lambs for Slaughter Traits under Upland Grassland Conditions of the North East England”. The Indian Journal of Animal Sciences 80 (8). https://epubs.icar.org.in/index.php/IJAnS/article/view/364.