産卵鶏におけるカロチノイド代謝 : III 新鮮および乾燥状態にある緑餌のカロチノイドの吸収率

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1. The rate of true absorption of carotenoid pigments in the laying hen was studied using three kinds of fresh and three kinds of dried green forage (sweet-potato vine, orchard grass and red clover). The summarized data obtained from this study are shown in table 22. 2. In the case of fresh green forage, the rate of absorption of xanthophylls seems to be higher than that of carotenes. The rates of absorption of xanthophylls of the three kinds of fresh green forage were 51.6-82.7%, while those of carotenes of the same kinds of forage were 48.8-60.1%.3. In the case of dried green forage, the rate of absorption of xanthophylls was found to be simi larly higher than that of carotenes, the rates of absorption of xanthophylls and carotenes of the three kinds of dried forage being 39.1-55.0 and 28.3-3 9.9%, respectively.Generally, the drying process seems to lower the rate of absorption of carotenoid pigments of green forage in laying hens.
社団法人日本畜産学会の論文