Reproductive study on rats

Description

Litter weights of pups from rats given 3 doses (control, low and high) of an experimental compound affecting reproductive performance. Thirty female rats (dams) were randomly split into 3 groups of 10 and each group randomly assigned a dosing level. A total of 3 litters had to be dropped from the high dose level.

Usage

rats

Format

A data frame with 6 columns and 322 rows:

• Dose: Dose application, factor with 3 levels

• Sex: Sex; factor with 2 levels

• littersize: Number of individuals by litter, a covariate

• Dam: Name of the dam, factor with 27 levels

• Pup: Number of pup, factor with 18 levels

• weight: Individual pup weights (in grams)