Nutrition in Pregnant Big Brown Bats (Eptesicus fuscus) Feeding on June Beetles
- 26 May 1992
- journal article
- Published by Oxford University Press (OUP) in Journal of Mammalogy
- Vol. 73 (2) , 426-430
- https://doi.org/10.2307/1382079
Abstract
We investigated whether a diet of a commonly eaten insect, June beetles (Phyllophaga rugosa), could meet the daily nutritional requirements of pregnant big brown bats, Eptesicus fuscus. In mid-pregnancy, ingestion of 34 culled June beetles meets daily caloric requirement and yields intakes of water, magnesium (Mg2+), potassium (K+), and nitrogen (N) that meet or exceed nutritional needs. Sodium (Na+) and total iron intake are marginally adequate, and calcium (Ca2+) intake is 10 times below estimated requirements.Keywords
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