大鼠的杂交与耐热性
Hybridization and heat tolerance in rats.
作者信息
Riesenfeld A
出版信息
Acta Anat (Basel). 1979;105(1):75-7. doi: 10.1159/000145110.
PMID:525249
Abstract
Buffalo and Fisher inbred rats and their F1--F4 hybrids were exposed to heat, 96 degrees F and 30% humidity, at 35 days of age. Fisher rats which are of lighter weight survive significantly longer than Buffalo rats which are heavier. Body weight was significantly depressed in all hybrids. Only in F2 hybrids was heat tolerance similar to that of the Fisher inbreds. In all other hybrids, it was lower. No heterosis was found under the conditions used.
摘要
将布法罗大鼠和费希尔近交系大鼠及其F1 - F4代杂种在35日龄时暴露于96华氏度、30%湿度的环境中。体重较轻的费希尔大鼠比体重较重的布法罗大鼠存活时间长得多。所有杂种的体重均显著下降。只有F2代杂种的耐热性与费希尔近交系相似。在所有其他杂种中，耐热性较低。在所采用的条件下未发现杂种优势。
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