R: Fish oil in pig food

fatacid {doBy} | R Documentation

## Fish oil in pig food

### Description

Fish oil in pig food

### Usage

    fatacid

### Format

A dataframe.

### Details

A fish oil fatty acid `X14` has been added in different concentrations to the food for pigs in a study. Interest is in studying how much of the fatty acid can be found in the tissue. The concentrations of `x14` in the food are `verb+dose+={0.0, 4.4, 6.2, 9.3}`.

The pigs are fed with this food until their weight is 60 kg. From thereof and until they are slaughtered at 100kg, their food does not contain the fish oil. At 60kg (sample=1) and 100kg (sample=2) muscle biopsies are made and the concentration of x14 is determined. Measurements on the same pig are correlated, and pigs are additionally related through litters.

### References

Data courtesy of Charlotte Lauridsen, Department of Animal Science, Aarhus University, Denmark.

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