milkgene: Mutation in BTN3A1 gene and milk yield

Description Usage Format Details Source Examples

Description

It is known that BTN3A1 (Butyrophilin subfamily 3 member A1) has a crucial function in the secretion of lipids into milk. Doeas the SNP mutation in it change the average milk yield?

Usage

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Format

data.frame with 1000 obs. and 5 variables

cow.id

cow id, there is 465 cows in this study

btn3a1

btn3a1 genotype, a factor with two levels

lactation

for some cows there are milk yileds for four lactations for other only for the first one

milk, fat

milk and fat amount in kgs per lactation

Details

Milk and fat yields for 465 cows. For every cow also the genotype of btn3a1 is measured.

Source

Artificial dataset generated to be consistent with Joanna Sz. study

Examples

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data(milkgene)
library(lattice)
xyplot(milk~fat, data=milkgene)
bwplot(milk~lactation, data=milkgene)

PBImisc documentation built on May 29, 2017, 5:53 p.m.