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건지황의 첨가급여가 병아리의 발육에 미치는 효과(제3보)
이병오,문승식,정현증 한국축산학회 1969 한국축산학회지 Vol.11 No.3
This experiment was carried out to study the effect of Dried Jiwhang on growing chicks by adding to chick rations for 6 weeks beginning from June 1 to July 13, 1968. Seventy day-old White Leghorn chicks had been randomly divided into 4 lots having 30 heads per lot. The results obtained from this experiment were as follows. 1. In the body weight gain, all lots contained Dried Jiwhang of 0.5%, 1%, 3% in the basal diet were gained significantly (P$lt;0.01.) more weight than control lot. 2. The feed efficiency for the chick consumed Dried Jiwhang was better than the control lot. 3. Although chicks fed 1% Dried Jiwhang were most active, all of experimental chicks were healthy. The paratability was worse in the lots substituted with 0.5%, 1%, 3% of Dried Jiwhang far basal diet than control lot. From the above results of this experiment, it was estimated that the diet contained Dried Jiwhang would be affective for chicks.
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가토의 과잉배란과 수정란의 발생 및 난관이행에 관한 연구
박충생,정기화,곽대오,정현증 경상대학교 축산진흥연구소 1985 畜産振興硏究所報 Vol.12 No.1
This experiment was conducted to find an effective method for superovulation and embryo development and passage in the oviduct after ovulation in the rabbit. Twenty-seven mature female rabbits (2.0-3.6kg) were confined in individual cages previously for a month and used in the experiment. The rabbits were given single s. c. injection of 50 IU or 100 IU PMSG a day for 5 days, and mated after single i. v. injection of 250 IU HCG 48 hours following PMSG injection. The superovulation response in rabbits were not significantly(P$lt;0.05) different between the PMSG doses of 50 IU and 100 IU, when assessed by the ovulation points (16.4±2.3 vs. 19.2±3.4), number of follicles and blood follicles. Serotropin was significantly (P$lt;0.01) superior to Serarumon in ovulation points (34.0±4.2 vs. 20.2±5.2) and number of blood follicle, but the number of follicles were not significantly (P$lt;0.05) different between two products. Recovery rate and fertilization rate of eg8s were not affected significantly (P$lt;0.05) by PMSG dosage, PMSG products or estrogen priming. The overall recovery rate and fertilization rate of eggs were 73.6 and 90.6%, respectively. All of the one-cell ova, 64% of morulae and all of the blastocysts were found in 20, 60 and 90 hours after mating, respectively. All or 95% of the eggs were recovered from the oviduct 40 or 60 hours after mating, and from the uterus 90 hours after mating, and by 72 hours after mating, 82% of the eggs was recovered from the uterus.
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