Skip to content

"Experientia docet" - Experience is the best teacher

Hormone levels in the peripheral blood of the Afrikaner cow III Progesterone levels during the post partum period

  • 1978
  • Issue: 1
  • Volume: 8
W.A. Coetzer, C.H. van Niekerk and J.C. Morgenthal Page: 11 - 14

Following parturition blood samples were collected daily from 5 mature lactating cows until the first post partum oestrous period. Plasma progesterone concentration as determined by RIA was applied to evaluate post partum ovarian activity. Parturition to first oestrus varied from…

Read more

The peripheral plasma progesterone concentration and luteal progesterone content in the post-partum ewe

  • 1980
  • Issue: 1
  • Volume: 10
H.K. Botha and J.E. Morgenthal Page: 59 - 63

Post-partum plasma progesterone concentrations and luteal progesterone content were measured in lactating and non-lactating ewes during a normal breeding season in autumn and an abnormal breeding season in spring. The results indicate that silent ovulations during the autumn breeding season…

Read more
Back To Top