offspring_survival {epiphy}

Offspring survival of rats experiencing different diets.

Description

Results of an experiment where two groups of 16 female rats were fed different diets during pregnancy and lactation periods. One group's diet contained a chemical under review, and the other one was a control. For each litter, the number of pups alive at 4 days, and the number of pups weaned (i.e. that survived the 21-day lactation period) were recorded.

Usage

offspring_survival

Format

A data frame with 32 rows and 3 variables:

[, 1]	group	Either control or treated group.
[, 2]	i	Pups weaned.
[, 3]	n	Pups alive at 4 days.

Source

Weil CS. 1970. Selection of the valid number of sampling units and a consideration of their combination in toxicological studies involving reproduction, teratogenesis or carcinogenesis. Food and Cosmetics Toxicology 8: 177-182.