Science: v.1-v.219Moses King, 1966 |
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Стр. 1251
... animals in the first stages of separation , which involve stretching of the skin joining them after resorp- tion of the gills ; within a few more days the common skin becomes necrotic as a result of mechanical twisting , and the animals ...
... animals in the first stages of separation , which involve stretching of the skin joining them after resorp- tion of the gills ; within a few more days the common skin becomes necrotic as a result of mechanical twisting , and the animals ...
Стр. 1589
... animals handled during the critical period are able to make more appropriate responses to the environment than nonhandled animals , one can approach the problem either in terms of the animal's ability to make the necessary ...
... animals handled during the critical period are able to make more appropriate responses to the environment than nonhandled animals , one can approach the problem either in terms of the animal's ability to make the necessary ...
Стр. 1590
... animals were not disturbed . When the animals were 14 days old , studies were made to determine whether adrenal as- corbic acid was depleted following ex- posure to cold . The groups handled on days 2 to 5 or 2 to 13 exhibited sig ...
... animals were not disturbed . When the animals were 14 days old , studies were made to determine whether adrenal as- corbic acid was depleted following ex- posure to cold . The groups handled on days 2 to 5 or 2 to 13 exhibited sig ...
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