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KMID : 1025520070490040443
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Journal of Animal Science and Technology
2007 Volume.49 No. 4 p.443 ~ p.450
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Study on Seasonal Variation in Semen Characteristics, Semen Cryopreservation and Artificial Insemination in Elk Deer
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Ryu Jae-Weon
Kim In-Cheul
Lee Jang-Hee
Jeong Gyeong-Yong
Cho Kyu-Ho
Jeon Gi-Jun
Lee Sung-Dae
Lee Jong-Wan
Kim Chang-Keun
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Abstract
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This study was designed to investigate the seasonal variation in semen characteristics and the change of motility during semen frozen/thawed, and conception rates were observed following AI at the different times after estrus synchronization.
Semen collected from March to May showed significantly lower semen quality than the other months (P<0.05) and semen characteristics (volume, total sperm and motility) were significantly higher in October. Sperm motility after thawing in frozen semen were significantly lower in non-breeding season than in breeding season (P<0.05). Conception rate after treatment of estrus synchronization and AI different time after CIDR device removal, at 60 hour was higher than those of any other times through AI but there was no significantly difference between AI times.
Semen characteristics change gradually during the breeding and non-breeding season. These results were considered as a model for the use of assisted reproductive techniques for AI of deer in Korea.
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KEYWORD
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Deer, Semen, Estrus synchronization, Artificial insemination
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