Genetic selection for reproductive photoresponsiveness in deer mice
β Scribed by Desjardins, Claude; Bronson, F. H.; Blank, James L.
- Book ID
- 109744253
- Publisher
- Nature Publishing Group
- Year
- 1986
- Tongue
- English
- Weight
- 238 KB
- Volume
- 322
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/322172a0
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An experiment was conducted in mice to examine whether selection can increase reproductive life and lifetime production of progeny. Mice in two lines with litter size standardized at birth and in two lines without standardization were pair-mated at 7 weeks of age and maintained as long as they produ
## Abstract Male deer mice (__Peromyscus maniculatus bairdii__) were reared in a long photoperiod and housed individually from 3 weeks of age until they were killed 2, 4, or 6 weeks later. Males that were exposed to aggressive females for 2 min, three times per week, were of normal body weight and
Inhibitory photoperiod differentially effects reproduction in deer mice (Peromyscus maniculatus nebrascensis). Pituitary-testicular function is arrested in about one-third of short-day exposed males (reproductively responsive mice), while an equal number remain fertile (reproductively nonresponsive