Abstract
Summary
A method for evaluation of milk “let-down” in mature lactating rats on 14th day postpartum is described. Amount of milk obtained by litters of 6 young after 30 minutes nursing expressed as percent litter body weight is used as criterion of response. Results obtained follow a normal distribution pattern with a mean value of 3.8 ± .19. The results of this study may serve as a basis for evaluating data from experimental alteration of milk “let-down” in lactating rats.
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