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Pakistan Journal of Biological Sciences
  Year: 2003 | Volume: 6 | Issue: 6 | Page No.: 566-570
DOI: 10.3923/pjbs.2003.566.570
 
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Studies on Semen Characteristics of Some Friesian Cross and Sahiwal Bulls for Artificial Insemination (AI)

M.J.U. Sarder

Abstract:
The present study was to evaluate the effect of breed and intervals between collection on semen characteristics. Semen was collected from eight breeding bulls belonging to four genetic groups (100%SL, 75%F×25%L, 50%SL×50%F and 50%F×50%L). Genetic groups had a significant effect (P<0.05) on semen characteristics except motility and total number of semen collection per month. The highest sperm concentration, total number of motile sperm cells/jaculate and total number of semen doses per collection were found in 100%SL and lowest in 50%F×50%L. Similarly, intervals between collection significantly (P<0.05) affected all the semen traits except volume of ejaculate and total number of semen doses per ejaculate. The highest sperm concentration (1332±29 mill. Ml-1), total number of motile sperm cells/jaculate (5621±261.99 million), motility (64±0.24%) and total number of collection per month (5.84±0.23) was obtained with an interval <6 days between collection than the other interval groups. It was concluded that 100% Sahiwal and 50% Sahiwal ×50% Friesian for the genetic group and <6 days for the interval between collection were suitable for most of the semen parameters than all other groups.
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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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