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Optional shift behavior of albino rats

✍ Scribed by Kendler, Tracy S.; Kendler, Howard H.; Silfen, Carole K.


Book ID
125415473
Publisher
Springer - Psychonomic Society
Year
1964
Weight
520 KB
Volume
1
Category
Article
ISSN
0033-3131

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The ontogeny of nipple-shifting behavior
✍ Catherine P. Cramer; Dr. Elliott M. Blass; Warren G. Hall πŸ“‚ Article πŸ“… 1980 πŸ› John Wiley and Sons 🌐 English βš– 959 KB

## Abstract Nipple‐shifting behavior was studied in rats 3–‐30 days old in 4 experimental paradigms. The incidence of nipple‐shifting of rats tested in groups of 3 on their nonlactating, anesthetized mother was age‐related. Rats 12 days of age and younger did not leave the nipple first suckled duri