Milk composition data

Data from an experiment on composition of sow milk. Milk composition is measured on four occasions during lactation on a number of sows. The treatments are different types of fat added to the sows feed.

data(milkcomp)

Format

A data frame with 214 observations on the following 7 variables.

sow

a numeric vector

lactime

a numeric vector

treat

a factor with levels a b c d e f g

fat

a numeric vector

protein

a numeric vector

dm

(dry matter) a numeric vector

lactose

a numeric vector

Details

a is the control, i.e. no fat has been added.

fat + protein + lactose almost add up to dm (dry matter)

References

Charlotte Lauridsen and Viggo Danielsen (2004): Lactational dietary fat levels and sources influence milk composition and performance of sows and their progeny Livestock Production Science 91 (2004) 95-105

Examples

data(milkcomp)
## maybe str(milk) ; plot(milk) ...