Variances of direct genetic effects, maternal genetic effects, and cytoplasmic inheritance effects for milk yield, fat yield, and fat percentage.

@article{Albuquerque1998VariancesOD,
  title={Variances of direct genetic effects, maternal genetic effects, and cytoplasmic inheritance effects for milk yield, fat yield, and fat percentage.},
  author={L{\'u}cia Galv{\~a}o de Albuquerque and Jeffrey F. Keown and L Dale Van Vleck},
  journal={Journal of dairy science},
  year={1998},
  volume={81 2},
  pages={
          544-9
        }
}
Milk yield, fat yield, and fat percentage during the first three lactations were studied using New York Holsteins that were milked twice daily over a 305-d, mature equivalent lactation. Those data were used to estimate variances from direct and maternal genetic effects, cytoplasmic effects, sire by herd interaction, and cow permanent environmental effects. Cytoplasmic line was traced to the last female ancestor using DHI records from 1950 through 1991. Records were 138,869 lactations of 68,063… CONTINUE READING

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