Bibliographic Details
| Title: |
Serum Anti-Müllerian Hormone Levels during Estrus and Diestrus Phases of the Estrous Cycle and its Possible Effect on Fertility in Cross-bred Hamdani Sheep. |
| Authors: |
Turgut, Ali Osman1 aosman.turgut@siirt.edu.tr, Koca, Davut2 |
| Source: |
Pakistan Veterinary Journal. 2024, Vol. 44 Issue 1, p205-209. 5p. |
| Subject Terms: |
*ESTRUS, *ANTI-Mullerian hormone, *FERTILITY, *SHEEP, *EWES, *PROGESTERONE |
| Abstract: |
This study aimed to assess the variations in serum Anti-müllerian hormone (AMH) levels during the estrus and diestrus phases of the estrous cycle and its effect on fertility in cross-bred Hamdani ewes. In the study, 21 non-prolific cross-bred Hamdani ewes (aged 2-3 years with BCS 2.75-3.25) were subjected to estrous synchronization using intra-vaginal sponges. Following synchronization, ewes underwent natural mating and pregnancy examination was carried out on the 45th day after mating through trans-rectal ultrasonography. Jugular blood samples were collected on day of estrus and 8 days later and analyzed for serum AMH and progesterone concentrations. Results showed that serum AMH levels were 100-480 and 95-520 pg/ml during estrus and diestrus phases, respectively. There was no change in serum AMH levels due to age, BCS and during estrus and diestrus phases of the estrous cycle (P>0.05). Estrus and diestrus serum AMH levels were significantly higher in pregnant ewes compared to non-pregnant ewes (P<0.05). Receiver-operating characteristic (ROC) analysis revealed that serum AMH cut-off value of >270 pg/mL was feasible to predict fertility in cross-bred Hamdani ewes. In conclusion, serum AMH can be used as a marker of fertility in non-prolific cross-bred Hamdani ewes. [ABSTRACT FROM AUTHOR] |
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| Database: |
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