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Semen Quality of Bulls as Influenced by Breed, Body Condition Score and Ascorbic Acid under Heat Stress

Semen Quality of Bulls as Influenced by Breed, Body Condition Score and Ascorbic Acid under Heat Stress

Muamber Shah1, Muhammad Subhan Qureshi1, Rifat Ullah Khan1, Muhammad Mobashar1, Mubashar Ali Khalique2, Irfan Khattak3, Ambrina Tariq4, Ijaz Ahmad1 and Shabana Naz5,*

1Faculty of Animal Husbandry and Veterinary Sciences, The University of Agriculture, Peshawar
2Faculty of Veterinary and Animal Sciences, University of Poonch, Rawlakot, Azad Kashmir
3College of Veterinary Science and Animal Husbandry, Abdul Wali Khan University, Mardan
4Civil Veterinary Hospital, Dera Ismail Khan, Directorate of Livestock and Dairy
Development, Peshawar
5Department of Zoology, Govt. College University, Faisalabad

*      Corresponding author: drshabananaz@gcuf.edu.pk

 

ABSTRACT

This study evaluated the effect of breed, body condition score and ascorbic acid supplementation on the semen quality of breeding bulls. A total of 8 adult (≥2 year) bulls (2 each from Jersey, Friesian, Sahiwal and cross bred) were selected with body condition score (BSC) at a scale of (0-5). The results showed that mean semen volume was significantly (P<0.05) high in Friesian bull. Sperm concentration and motility were significantly (P<0.05) high in Jersey bull while live sperm percentage was significantly (P<0.05) high in Jersey bulls and sperm abnormality was significantly (P<0.05) high in Sahiwal and Friesian-Sahiwal cross. In addition, semen quality was improved in all the breeds after supplementation of vitamin C. There was no significant effect of BCS on the sperm quality of bulls. The results give important information regarding the semen quality of different breeds of bulls under heat stress condition.
 

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Pakistan Journal of Zoology

August

Vol. 51, Iss. 4, Pages 1203-1598

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