Effect of season on boar semen quality
2015
Apić, Jelena (Scientific Veterinary Institute Novi Sad, Novi Sad (Serbia)) | Vakanjac, Slobodanka (Faculty of Veterinary Medicine, Belgrade (Serbia)) | Radović, Ivan (Faculty of Agriculture, Novi Sad (Serbia)) | Jotanović, Stoja (Faculty of Agriculture, Banja Luka, Republic of Serbska (Bosnia and Herzegovina)) | Stanković, Branislav (Faculty of Agriculture, Belgrade-Zemun (Serbia)) | Kanački, Zdenko (Faculty of Agriculture, Novi Sad (Serbia))
It was demonstrated that boar sperm production and characteristics significantly decrease in the wormer period of the year. As a result, the boars reproductive exploitation efficiency decrease in the wormer seasone. Therefore, the aim of the present paper was to investigate the influence of coold and warm seasone on the boars semen quality, in the our intensive pig production conditions. The obtained results clearly show that the main semen quality parameters were significantly (p<0.05 or p<0.01) higher in the cold, compared with the warm season (ejaculate volume=274ml, sperm concentration=229 × 106/ml, total sperm number=60 109, progressive motility=79%, and good ejaculates=96%, vs. 218ml, 208 106/ml, 45 109, 69% and 78%, × × × resp.). In conclusion, keeping boars cool during summer and frequent observation of boars to determine if they are being heat- stressed, can significant reduce the negative influence of elevated ambient temperature on sperm production and, consequently, improve boars reproductive exploitation efficiency.
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