خيارات البحث
النتائج 1 - 10 من 13
Numerical and morphologic changes of ovarian follicles in each stage of estrus cycle in rats
1999
Lee, Y.J. (Gyeongsang National University Hospital Institute of Animal Medicine, Chinju (Korea Republic). Department of Histopathology) | Kwak, S.D. (Gyeongsang National University, Chinju (Korea Republic). College of Veterinary Medicine)
Progesterone assays as an aid for improving reproductive efficiency in dairy cattle-(1)-Use of milk progesterone profiles in the confirmation of estrus detection and early pregnancy diagnosis
1994
Kang, B.K. | Choi, H.S. | Son, C.H. (Chonnam National University, Kwangju (Korea Republic). College of Veterinary Medicine) | Choi, S.G. (Suhkwang Livestock Company Ltd., Kwangju (Korea Republic))
Embryo transfer in the dog in natural or induced estrus
1994
Kim, Y.J. (Chonbuk National University, Chonju (Korea Republic). College of Veterinary Medicine)
Enzyme-linked immunosorbent assay (ELISA) for determination of progesterone concentration in bovine serum
1993
Kang, C.B. | Shon, M.S. | Lee, E.S. | Cho, K.W. (Kyungsang National University, Chinju (Korea Republic). College of Veterinary Medicine) | Kim, C.H. (Kyeongsangnamdo Veterinary Service laboratory, Chinju (Korea Republic))
Changes of plasma progesterone concentrations during the gestation and peripatum period, and return to estrus after parturition in Korean native goats
1992
Park, Y.J. | Kang, B.K. | Choi, H.S. | Park, B.J. | Son, C.H. (Chonnam Nat'l Univ., Kwangju (Korea Republic). Coll. of Veterinary Medicine)
Studies on the improvement of reproductive efficiency in Korean native cows - Plasma progesterone concentrations for monitoring ovarian activity in the postpartum period
1990
Choi, H.S. | Kang, B.K. | Son, C.H. (Chonnam National University, Kwangju (Korea Republic). College of Veterinary Medicine) | Suh, G.H. (National Animal Breeding Institute, Namwon (Korea Republic). Namwon Branch)
Studies on vaginal cytology after induction of estrous in the bitch
1988
Kang, B.K. | Choi, H.S. | Son, C.H. | Oh, K.S. | Lee, C.B. (Chonnam National Univ., Kwangju (Korea R.). Coll. of Agriculture) | Na, J.S. (Chonanm National Univ., Kwangju (Korea R.). Coll. of Agriculture)
The present study was carried out to investigate the estrous behavior and vaginal smear after induction of estus with exogenous hormones in the premature, metestrous and anestrous bitches. In a total of 21 bitches(Mixed breed: 16, Jindo breed: 5), from 10 months to 5 years of age and weighing 8 to 15 kg the change of vaginal smear and the estrous behavior before and after induction of estrus was studied. In the treatment A(They were given the PGF2alpha, estrone, estradiol-17beta, PMSG and HCG) proestrus commenced in 10.16+-1.44(Mean+-SEM) days after treatment. The mean duration of proestrus and estrus was 7.50+-1.44 and 13.50+-3.44 days, respectively. In the treatment B(They were given the PMSG and HCG) proestrus commenced in 5.53+-0.59 days after treatment. The mean duration of proestrus and estrus was 6.60+-0.71 and 14.60+-1.14 days, respectively. All of the 6 bitches in the treatment A showed vulval swelling and vaginal discharge. 14 of the 15 bitches in the treatment B showed vulval swelling and vaginal discharge. However, all of the treatment A and B showed male acceptance. The main change of vaginal smear in proestrus and estrus after induction of estrus was an increase in the proportion of anuclear and superficial cells associated with a decrease in small intermediate and parabasal cells. By the estrous behavior and vaginal smear the estrus was induced in all the premature, metestrous and anestrous bitches
اظهر المزيد [+] اقل [-]Changes of plasma progesterone concentration during the estrous cycle and its application to early pregnancy diagnosis in Korean native goats
1992
Choi, H.S. | Park, Y.J. | Kang, B.K. | Park, B.J. | Son, C.H. (Chonnam Nat'l Univ., Kwangju (Korea Republic). Coll. of Veterinary Medicine)
Studies on the plasma progesterone concentrations for pregnancy diagnosis in Cheju native mare
1991
Chang, D.J. (Cheju Vocational Junior Coll., Cheju (Korea Republic)) | Yang, K.C. | Kim, J.K. (Cheju National Univ., Cheju (Korea Republic). Coll. of Agriculture) | Kang, B.K. | Choi, H.S. | Son, C.H. (Chonnam National Univ., Kwangju (Korea Republic). Coll. of Veterinary Medicine)
Studies on pregnancy of dairy cows based on hormone concentrations in blood serum and milk
1984
Kim, S.K. (Chungnam National Univ., Taejon (Korea R.). Dept. of Veterinary Medicine)
The study was to find out the changes of hormone levels in blood serum and milk of Holstein cows during the estrous cycle. The progesterone, estradio 1-17beta from the blood serum and milk samples were assayed by radioimmunoassay methods. During 20 to 25 days after artificial insemination, the accuracy of pregnancy diagnosis from the blood serum progesterone levels were 87.5% for non pregnant cows (2.Ong/ml) and 83.3% for pregnant cows (3.Ong/ml). The accuracy of pregnancy diagnosis from the milk progesterone levels were 75.0% for non-pregnant cows (2.4ng/ml), and 94.4% for pregnant cows (3.2ng/ml)
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