Milk yield of primiparous beef cows from three calving systems and varied weaning ages.

@article{Grings2008MilkYO,
  title={Milk yield of primiparous beef cows from three calving systems and varied weaning ages.},
  author={Elaine E. Grings and Andrew J. Roberts and T. W. Geary and Michael D Macneil},
  journal={Journal of animal science},
  year={2008},
  volume={86 3},
  pages={
          768-79
        }
}
Primiparous beef cows produced in 3 calving systems were used in a 2-yr study with a completely random design to measure milk yield throughout a 190-d lactation (2002, n = 20; 2003, n = 24 per calving system). Calving occurred in late winter (average calving date = February 4 +/- 2 d), early spring (average calving date = March 30 +/- 2 d), and late spring (average calving date = May 26 +/- 1 d). Additionally, cows used in this study had been weaned at varied ages as calves, creating 6 dam… CONTINUE READING

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