R: Reproductive study on rats

rats {asreml} | R Documentation

## 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)

[Package asreml version 4.2.0.480 Index]