산란계 있어서 무기물의 란 및 분중에의 흡수분포에 관한 연구 - 제1보 산란계에 있어서 방사성린 ( p32 ) 의 란및 분중에의 흡수분포 - = Studies on the Mineral Uptake and Release Rate in Eggs and Feces of Laying Hens 1 . The Distribution of Radioactive Phosphorus ( p32 ) into the Egg and Feces in the laying hens

다국어 초록 (Multilingual Abstract)

This experiment was carried out to study of absorption ratio of P^(32) in laying hens. lU eggs were taken as the samples beginning at 12 hours after injecting of P^(32) 80μc to thigh muscle of laying hens at 24 hours intervals. They were divided into 3 parts: egg shell, egg white, egg yolk. And their feces were taken at the same intervals. The author investigated the absorption ratio of 3 parts of eggs and the distribution ratio in feces starting from April 25 th of 1968 to May 9 th of 1968. The result obtained are summarized as follows: 1. There were significant differences of 1% level at each treatment and of 5% level at each period. 2, Most of P^(32) in the eggs was distributed in egg yolk, and the order of the absorption and the distribution ratio was egg yolk, egg shell, feces and egg white. The total absorption ratio of P^(32) was 87% eggs and 13% in the feces during experiment. This can be divided into as follows: 62% in yolk, 9% in white, and 16% in shell. Accordingly it seemed that there was a closely related apetence between P^(32) and the Ovary. 3. The highest absorption ratio in egg yolk and egg white appeared on 3½ days after the injection. And the highest absorption ratio in egg shell and feces appeared on 2½ days after the injection. It was assumed that the highest amount of P^(32) was absorbed on 3-5 days after the injection. Hence, it could be concluded the that the coefficient of the highest growth of Ovum was on 3-5 days before the Ovulation, and the highest distribution amount of P32 in feces was at 2-4 days after the injection. The follwing results were obtained subordinately in performing the main experiment. 4. The amount of P^(32) in feces of fatty hens was greater than that of laying hens during this experiment.