Total LDH activity of liver tissues was significant higher in the altitude-reared group, on the other hand, there was no significant change in the activity of LDH in heart tissues.

结果表明新生大白鼠肝组织LDH活性随模拟低氧时间的增长明显升高，而心肌组织LDH活性无明显变化。

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The three-month-old African black-footed penguins, named Bamm-Bamm and Pebbles, are being hand-reared at Whipsnade Zoo.

BBC: Endangered penguin chicks hand-reared at Whipsnade Zoo

To test whether ravens could follow gaze, Dr Heinrich and Dr Bugnyar used six six-month-old hand-reared ravens, and one four-year-old.

ECONOMIST: Now, it seems, even the bird-brained have theories of mind

Knut was hand-reared by zoo keepers after being rejected by his mother, a former circus bear from the former East Germany.

BBC: Candles by Knut's enclosure