Original research article
Effect of Inoculation Place of Frozen Semen on Fertility Rate in Synchronized Afshari Ewes
2023, 88 (3) p. 243-247
Abbas Safari, Amir Bahador Khatibi, Misagh Moridi, Hassan Khanzadeh
Abstract
The aim of the present study was to perform laparoscopic inoculation of frozen semen and to determine the fertility rate after laparoscopic inoculation into one or both uterine horns regardless of the ovulation site in Afshari ewes. This study was performed in Tehran, Alborz and Qazvin provinces for about 4 years in- and out-of-breeding season. The studied animals included 11533 Afshari ewes (age range 2-6 years) with an average weight of 57.3 ± 4.1 kg and the body condition score (BCS) of 3.1 ± 0.1. The results of this study showed that fertility varied between years, but these changes were not significant. Significant differences were found between seasons. The highest fertility was observed in spring and summer compared to autumn and winter (p
Keywords
Afshari ewes, frozen semen, laparoscopic, ovulation, uterine horns
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