Open AccessFactors affecting the semen quality of breeding bulls
Author(s) -
S Tohura,
A Parvin,
AB Siddique,
M Assaduzzaman,
BF Zohara,
Mahfuzul Islam
Publication year - 2019
Publication title -
the bangladesh veterinarian/bangladesh veterinarian
Language(s) - English
Resource type - Journals
eISSN - 2224-7289
pISSN - 1012-5949
DOI - 10.3329/bvet.v35i1-2.53385
Subject(s) - semen , breed , semen quality , zoology , biology , sperm , semen collection , artificial insemination , anatomy , pregnancy , genetics , botany
This study aimed to investigate the effects of breed, age, scrotal circumference, Body Condition Score (BCS), season and nutrition on bull semen quality at breeding bull station of Ejab Alliance Limited, Thakurgaon, Bangladesh. A total of 777 ejaculates were collected from 25 bulls (Holstein-Friesian-10; Sahiwal-15). All semen parameters were significantly (P 3.5 - 4.5 years than in younger (2.5 - 3.5 years) and older bulls (>4.5 years). Scrotal circumference significantly (P 4.5 to 5. Significantly (P 3.5 to 4.5 years of age with moderate scrotal circumference and BCS.
The Bangladesh Veterinarian (2018) 35(1&2): 32-39