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肉牛에 있어서 호르몬 劑製處理가 繁殖障碍牛 治療效果에 미치는 影響
白舜龍,金熙錫,李鍾文,李根常 成均館大學校 科學技術硏究所 1988 論文集 Vol.39 No.1
This experiment was carried out to investigate effect of hormone analogues treatment on the ovarian response and fertility in reproductive disorder heifers. The experimental animals were Charolais and Hereford breed which did not show the estrus symptom at the optimum age for first breeding. Distribution rates of reproductive disorder were ovarian atrphy 32%, persistens C.L 18%, Lutein eyst 21.3%, Follicular cyst 27.9% respectively. The induction rate of estrus by use hormone analogue was 78.8% and conception rate was 70.8% among the heifer which show the estrus symptom after treatment of hormone analogues. In the repeat breeder, the conception rate was 36.8% and was higher in the heifer which have short period of anestrus than that of long period heifer.