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The influence of litter size and favourable conditions on mortality and weaning weights in rats
- Kahan, E., Rosen, M.
- Laboratory animals 1984 v.18 no.3 pp. 247-251
- rats, litter size, mortality, rearing, weaning weight
- Litters of 12 pups produced the optimum results for survival (P<0·005) and for weaning weights (P<0·05) when compared with litters of 8 and 10 pups. This number is similar to the normal litter size and normal number of teats in rats. In our study, the normal litter size was X = 12·5. Our results were obtained under favourable conditions without disturbing the animals and facilitating access to food and water for the mothers and pups.