The Social Behaviour of Wild and Domestic Rattus norvegicus in Dyadic Encounters
β Scribed by HJU M. ALLEN
- Book ID
- 115187604
- Publisher
- John Wiley and Sons
- Year
- 1977
- Tongue
- English
- Weight
- 323 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0300-3256
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## Abstract Continuous measurements of maternal behaviorβthe amount of time the mother was in contact with the litter and quality of nestβindicated no differences between these 2 stocks of rats. A decrease in both measures was found for both stocks over the 22 days of postnatal observation. The dat
The karyotypes of 33 specimens of Rattus norvegicus captured in a wild population, were studied by means of conventional Giemsa staining and G-and C-banding methods. A chromosomal polymorphism for the presence or absence of extra segments in autosomes 3 and 12 and the X chromosome was found, beside