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Onset of oestrus and periovulatory events in sheep exposed to 5 and 14 days of CIDR treatment with and without eCG.

Marta UriolPaula Martinez-RosAlejandro RiosTeresa EncinasAntonio González-Bulnes
Published in: Reproduction in domestic animals = Zuchthygiene (2019)
The present study supports that 5-day short-term CIDR treatments without administration of eCG are equally effective for inducing oestrus behaviour, preovulatory LH discharge and ovulation in sheep than classical protocols based on 14-day treatments plus eCG at CIDR withdrawal. However, the implementation of a 5-day protocol without eCG for fixed-time artificial insemination would be adapted to a later timing of ovulation (p < .05).
Keyphrases
  • heart rate variability
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  • polycystic ovary syndrome
  • randomized controlled trial
  • primary care
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