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Seasonal variation in stereotypic pacing in an American black bear Ursus americanus

โœ Scribed by Kathy Carlstead; John Seidensticker

Book ID
118409837
Publisher
Elsevier Science
Year
1991
Tongue
French
Weight
461 KB
Volume
25
Category
Article
ISSN
0376-6357

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Induction of pseudopregnancy in the Amer
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โœ Clamon Schulz, Laura ;Nelson, Ralph A. ;Pyter, Leah M. ;Bahr, Janice M. ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 82 KB

The aim of this study was to determine whether American Black Bears (Ursus americanus) can experience a pseudopregnancy of the same duration as pregnancy. To do this, we treated three nonmated, captive female bears with human chorionic gonadotropin (hCG) during one breeding season, and saline during