Coopworth lamb data

Description

Measurements on 7043 lambs, who were the progeny of 92 sires and 3561 dams, produced from 4871 litters over 49 flock-year combinations.

Usage

coop

Format

A data frame with 13 columns and 7043 rows:

• tag: Lamb ID, factor with 7043 levels

• sire: Sire ID, factor with 92 levels

• dam: Dam ID, factor with 3561 levels

• grp: Flock year group, factor with 49 levels

• sex: Sex, factor with 2 levels

• brr: Birth rearing rank, factor with 4 levels

• litter: Litter ID, factor with 4871 levels

• age: Age, numeric covariate

• wwt: Weaning weight

• ywt: Yearling weight

• gfw: Greasy fleece weight

• fdm: Fibre diameter

• fat: Ultrasound fat depth at the C site