絶食時におけるノウサギの糞食について

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  • ゼッショクジ ニ オケル ノウサギ ノ フンショク ニ ツイテ
  • Coprophagy of the Japanese Hare, Lepus brachyurus, under the Situation of Starvation

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The seven months old female Japanese hare, Lepus brachvurus, was kept for 22 days under the situation of starvation and feeding to examine the number and volume of feces, volume of rabbit pellets, and activities during a night. Number of feces in each starvation experiment was about one third of that in the feeding situation. Then, the hare consumed feees directly from the anus, and this coprophagy occurred more frequently during the starvation experiment. Killing this hare at 19 : 00 after the experiment, digestive organs were filled with hard feces. These resuits indicated that the hare ate the hard feces during night in the condition of lack of food, and excretion related to the feeding activity.

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