Investigation of the changes observed in scrotal circumference, and native and post-thaw semen characteristics in karayaka rams during the breeding and nonbreeding seasons | Zendy

Recai Kulaksız | Zendy; Çiğdem Çebi Şen | Zendy

Open Access

Investigation of the changes observed in scrotal circumference, and native and post-thaw semen characteristics in karayaka rams during the breeding and nonbreeding seasons

Author(s) -

Recai Kulaksız,

Çiğdem Çebi Şen

Publication year - 2019

Publication title -

journal of the hellenic veterinary medical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.186

H-Index - 7

eISSN - 2585-3724

pISSN - 1792-2720

DOI - 10.12681/jhvms.21789

Subject(s) - semen , sperm , biology , seasonal breeder , sperm motility , zoology , winter season , andrology , anatomy , ecology , medicine , botany , climatology , geology

The aim of the present study was to investigate and compare the impact of the breeding (BS) and non-breeding (NBS) seasons on scrotal circumference, and native and post-thaw semen characteristics in Karayaka rams. Six (6) Karayaka rams were used as semen donors, and ejaculates were collected with the aid of an artificial vagina during the BS (October-November) and NBS (April-May). Interestingly, sperm freezability was found to be higher in the NBS, when compared to the BS, and the sperm motility rate (36.00±2.74%, 55.0±3.24%) and percentage of abnormal sperm (44.00±1.90%, 57.00±2.09%) were found to significantly differ with season (P<0.05). In conclusion, the post-freezing sperm motility was better during the non-breeding season. Post-thaw sperm abnormality was higher during non-breading season. However, if ram semen is used fresh for AI, it can be collected and used during both during the breeding and non-breeding season.

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