How to cite this article:
M.J.U. Sarder , 2003. Studies on Semen Characteristics of Some Friesian Cross and Sahiwal Bulls for Artificial Insemination (AI). Pakistan Journal of Biological Sciences, 6: 566-570. DOI: 10.3923/pjbs.2003.566.570 URL: https://scialert.net/abstract/?doi=pjbs.2003.566.570
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