Evaluation Of Semen And Non-Return Rate Of Bulls In Artificial Insemination (AI) Center

  • S Nasrin Department of Animal Breeding & Genetics, Bangladesh Agricultural University, Mymensingh
  • MR Amin Department of Animal Breeding & Genetics, Bangladesh Agricultural University, Mymensingh
  • MK Alam Red Chittagong Cattle Project, Bangladesh Livestock Research Institute, Savar, Dhaka
Keywords: Semen parameter, Non-return rate, Cross-bred bulls

Abstract

The experiment was conducted to evaluate the bull performance based on semen quality and 60 days non-return rate. Data were collected from 60 ejaculates and 525 services. Semen for insemination was used from bulls of different genetic groups (2 Holstein cross, 1 Sindhi cross, 1 Sahiwal cross and 1 Red Chittagong). Individual bull effect was found to be significant (P<0.01) on volume per ejaculate, mass motility, sperm concentration, live sperm and normal sperm percentage. The significantly (P<0.01) highest volume per ejaculate, sperm concentration, live sperm and normal percentage were found in Holstein cross and lowest in Red Chittagong Bull. Non-return rate was highest in Holstein cross bull and lowest in Red Chittagong Bull. Significant (P<0.01) positive correlation was observed in mass motility, live sperm and normal sperm percentage with non-return rate. It was concluded that Holstein cross Bull was the best among the bulls.

DOI: http://dx.doi.org/10.3329/bjas.v37i2.9875

BJAS 2008; 37(2): 1-7

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Nasrin, S., Amin, M., & Alam, M. (1). Evaluation Of Semen And Non-Return Rate Of Bulls In Artificial Insemination (AI) Center. Bangladesh Journal of Animal Science, 37(2), 1-7. https://doi.org/10.3329/bjas.v37i2.9875
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