Seasonal variation in semen quality of Dorper rams using different collection techniques
نویسندگان
چکیده
منابع مشابه
Seasonal variation in semen characteristics of Chios and Friesian rams in Greece.
Five Chios and five Friesian rams were used to study the effect of season on semen production. Semen samples were collected with an artificial vagina. In spite of the large variation of most of the semen characteristics among rams of the two breeds, seasonal variation in semen quantity (volume, concentration and total number of spermatozoa per ejaculate) and quality (percentage of motile sperma...
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Rams with strong libido and desirable semen characteristics can provide more insemination doses per ejaculate and produce more progeny, improving population genetic linkage to improve the accuracy of EBV. The objective of this study was to determine if teasing rams, either by sight and smell alone (Exp. 1), or physical contact (Exp. 2), could improve libido and semen quality of rams. In Exp. 1,...
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To study the seasonal variation in the characteristics of the Azarbaijani buffalo semen, three 2-4-year-oldbulls of Azarbaijani water buffaloes, kept in the Buffalo Breeding Center, in Urmia, northwest of Iran, wereselected. Semen samples were collected once a week for a period of one year using artificial vagina and abuffalo cow as a dummy. Semen volume, colour, pH and motility and spermatozoa...
متن کاملSeasonal variation in semen quality of swamp buffalo bulls (Bubalus bubalis) in Thailand.
AIM To test the hypothesis that season affects the semen quality of swamp buffalo (Bubalus bubalis) bulls used for artificial insemination (AI) under tropical conditions in Thailand, as it does in Bos taurus and Bos indicus. METHODS Clinical and andrological examinations, and monitoring of semen production and quality were carried out on five mature, healthy swamp buffalo AI bulls in Thailand...
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ژورنال
عنوان ژورنال: South African Journal of Animal Science
سال: 2014
ISSN: 2221-4062,0375-1589
DOI: 10.4314/sajas.v44i1.4