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"Experientia docet" - Experience is the best teacher

milk progesterone

Milk progesterone on day 5 following insemination in the dairy cow: associated metabolic variables and reproductive consequences

  • 2018
  • Issue: 2
  • Volume: 48
L. Y. Yan, R. S. Robinson, Z. D. Shi & G. E. Mann Page: 361 - 368

Despite the importance of progesterone on the fertility of lactating dairy cows, the factors that affect post ovulatory progesterone concentration are still unclear. Thus, the aim of the present study was to identify factors associated with the post ovulatory progesterone…

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Diagnosis of pregnancy in dairy cows based on the progesterone content of milk. Part 2. Effect of day of sampling and number of

  • 1988
  • Issue: 4
  • Volume: 18
W.A. Butterfield & A.W. Lishman Page: 153 - 155

Two of the many factors which may affect the accuracy of pregnancy diagnosis using milk progesterone levels are day of sampling and number of samples taken per cow. These two aspects were analysed using information obtained from progesterone profiles encompassing…

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