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Plasma Antimullerian Hormone as a Predictor of Ovarian Antral Follicular Population in Bos indicus (Nelore) and Bos taurus (Holstein) Heifers

Batista, EOS ; Macedo, GG ; Sala, RV ; Ortolan, MDDV ; Sá Filho, MF ; Del Valle, TA ; Jesus, EF ; Lopes, RNVR ; Rennó, FP ; Baruselli, PS

Reproduction in domestic animals, 2014-06, Vol.49 (3), p.448-452 [Peer Reviewed Journal]

Germany: Blackwell Science

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  • Title:
    Plasma Antimullerian Hormone as a Predictor of Ovarian Antral Follicular Population in Bos indicus (Nelore) and Bos taurus (Holstein) Heifers
  • Author: Batista, EOS ; Macedo, GG ; Sala, RV ; Ortolan, MDDV ; Sá Filho, MF ; Del Valle, TA ; Jesus, EF ; Lopes, RNVR ; Rennó, FP ; Baruselli, PS
  • Subjects: Animal reproduction ; Animals ; anti-Mullerian hormone ; Anti-Mullerian Hormone - blood ; Cattle ; Cattle - blood ; correlation ; Female ; Genetics ; heifers ; Holstein ; Hormones ; Nellore ; Ovarian Follicle - anatomy & histology ; Ovarian Follicle - diagnostic imaging ; ovarian follicles ; Plasma ; Species Specificity ; Ultrasonography ; zebu
  • Is Part Of: Reproduction in domestic animals, 2014-06, Vol.49 (3), p.448-452
  • Notes: http://dx.doi.org/10.1111/rda.12304
    ark:/67375/WNG-T95SK90N-P
    istex:FC2B7AEC5E4DED129703C4F94F815BD72E0893BB
    FAPESP - No. 2012/00889-5
    CAPES
    ArticleID:RDA12304
    ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Description: In Bos taurus cattle, antimullerian hormone (AMH) has been demonstrated to have a high degree of correlation with ovarian antral follicle count and the number of healthy follicles and oocytes. To document the correlation between the plasma concentration of AMH and follicular number in Bos indicus and Bos taurus heifers, Nelore (Bos indicus, n = 16) and Holstein heifers (Bos taurus, n = 16) had their ovarian follicular waves synchronized. After synchronization, ovarian antral follicular population (AFP) was evaluated three times at 60‐day (d) intervals (T‐120 d, 120 days before plasma AMH determination; T‐60 d, 60 days before; and T0, at the time of plasma AMH determination). The plasma AMH concentration was positively correlated with the number of ovarian follicles on the day of the follicular wave emergence in Bos indicus (Nelore) and Bos taurus (Holstein) heifers at each evaluation time (p < 0.05). The AFP was higher in Bos indicus (Nelore) than in Bos taurus (Holstein) heifers (p < 0.05). Similarly, the AMH concentration was higher in Bos indicus (Nelore) than in Bos taurus (Holstein) heifers (p < 0.0001). When heifers were classified as to present high or low AFP according to the mean of the AFP within each genetic group, high‐AFP heifers presented a greater (p < 0.0001) AMH concentration than low‐AFP heifers, regardless of the genetic group. In conclusion, the AFP is positively correlated with plasma AMH concentration in both Bos indicus (Nelore) and Bos taurus (Holstein) heifers. Furthermore, Bos indicus (Nelore) heifers presented both greater plasma AMH concentrations and AFP than Bos taurus (Holstein) heifers.
  • Publisher: Germany: Blackwell Science
  • Language: English
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