Stage of action of the litter-size effect on absence of otoliths in mice
β Scribed by Mary F. Lyon
- Publisher
- Springer
- Year
- 1954
- Tongue
- English
- Weight
- 264 KB
- Volume
- 86
- Category
- Article
- ISSN
- 1617-4615
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Under a number of circumstances the duration of mother-young contact in the rat can be drastically reduced while pup growth is maintained. We investigated the possibility that under some of these conditions the timing of milk delivery is changed. We assessed the time of onset and pattern of milk del
## Abstract Eightyβthree C3H mice were reared in litters of 2 or 8 pups until weaning and, thereafter, in isolation or in bisexual groups of 8β10 animals in a Litter Size Γ Postweaning Experience Γ Sex factorial design. At 70β75 days of age, subjects were tested in a modified version of the openβfi