4057 to 4068 of 14084 results
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Age-related changes in the testicular and antler cycles of reindeer, Rangifer tarandus
Read more of: Age-related changes in the testicular and antler cycles of reindeer, Rangifer tarandusA total of 111 male reindeer of various ages was shot in all months of the year to study the relationship between the seasonal changes in testicular activity and the […]
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Age determination of reindeer introduced into South Georgia
Read more of: Age determination of reindeer introduced into South GeorgiaThe ages of South Georgia Reindeer collected from the introduced herds, and of carcasses from natural deaths were determined using patterns of tooth replacement and eruption, and annulations in the […]
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Abnormal testes in reindeer, Rangifer tarandus
Read more of: Abnormal testes in reindeer, Rangifer tarandusIn a sample of reindeer from South Georgia, 4 males were abnormal in that 1 had bilateral cryptorchid testis, 2 each had 1 cryptorchid testis and 1 had a vestigial […]
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Evolutionary temperature adaptation and the calcium regulation of fish actomyosin ATPases
Read more of: Evolutionary temperature adaptation and the calcium regulation of fish actomyosin ATPasesActomyosins have been isolated from the white skeletal muscles of fish inhabiting thermal environments with characteristically low seasonal temperature variations for example, Antarctica, arctic rivers and the equatorial oceans. Calcium […]
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High-coverage genomes to elucidate the evolution of penguins
Read more of: High-coverage genomes to elucidate the evolution of penguinsPenguins (Sphenisciformes) are a remarkable order of flightless wing-propelled diving seabirds distributed widely across the southern hemisphere. They share a volant common ancestor with Procellariiformes close to the Cretaceous-Paleogene boundary […]