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Reference Base  Risk factors associated with a skewed natal sex ratio in ... |
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Captive
Captivity
Black Rhino
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| The skew toward males in the sex ratio of calves is considered to be a problem for the captive population of black rhinoceroses (Diceros bicornis) in North America. This study used a retrospective case-control design to determine whether there was a predisposition toward birth of male calves over... |
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