http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : 아우리 ( S . J . Oh (검색결과 1 건)
- 무료
- 기관 내 무료
- 유료
-
오성종,양보석,김희석,이근상,김강식,스피어스,아우리 ( S . J . Oh,B . S . Yang,H . S . Kim,K . S . Lee,K . S . Kim,J . Spears,H . M . Oury ) 한국축산학회 1986 한국축산학회지 Vol.28 No.7
This study was conducted to investigate the effects of breed and parity of recipients, grade of frozen-thawed embryos and degree of donor-recipients synchrony on conception rate when the frozen-thawed bovine embryos were transferred to 60 heads of Korean Native cattle (KNC), Holstein and crossbred in Livestock Experiment Station, Rural Development Administration, and nearby large farms. To synchronize the estrus, regularly cycling heifers and cows of 114 heads were injected with 50㎍ of cloprosternol twice 11 days apart. The results obtained from this study were summarized as follows; 1. Cows showed estrus with the range of 2-6 days after the first shot and 2.5-4 days after the second shot. The rate of response was higher in the second shot (82.5%) than the first shot (67.5%). 2. The rate of response to cloprostenol after the first shot was high in crossbred, Holstein and KNC in the order, although no significant differences were noted in the second shot. 3. The overall conception rate was 45.0% and that of Holstein was 52.2% (24/46) and that of KNC was 37.5% (3/8). However none of crossbred was pregnant. 4. The conception rate of heifers (46.9%) was slightly higher than that (42.9%) of cows. 5. The conception rate of cattle transferred with excellent, good and fair embryos were 68.9%, 35.9% and 40.9%, respectively. 6. The conception rate was highest when the recipients began to show estrus 12 hours later than donor did.
연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
