Metabolic variables and plasma leptin concentrations in dairy cows exhibiting reproductive cycle abnormalities identified through milk progesterone monitoring during the post partum period.

@article{Mann2005MetabolicVA,
  title={Metabolic variables and plasma leptin concentrations in dairy cows exhibiting reproductive cycle abnormalities identified through milk progesterone monitoring during the post partum period.},
  author={George E Mann and Samuel J. Mann and Dominique Blache and R. Brian Webb},
  journal={Animal reproduction science},
  year={2005},
  volume={88 3-4},
  pages={191-202}
}
We have used milk progesterone analysis to monitor reproductive function in lactating dairy cows and have then related this reproductive function to a variety of metabolic variables. Monitoring of cows (n = 41) during the period of onset of luteal function (first milk progesterone reading>5 ng/ml) revealed that delayed onset was associated with increased milk yield and greater loss of body weight and body condition but was not related to plasma metabolite or leptin concentrations. Further… CONTINUE READING

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