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1 January 2009 Anti-Müllerian Hormone Is an Endocrine Marker of Ovarian Gonadotropin-Responsive Follicles and Can Help to Predict Superovulatory Responses in the Cow
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Abstract

The major limitation to the development of embryo production in cattle is the strong between-animal variability in ovulatory response to FSH-induced superovulation, mainly due to differences in ovarian activity at the time of treatment. This study aimed to establish whether anti-Müllerian hormone (AMH) was an endocrine marker of follicular populations in the cow, as in human, and a possible predictor of the ovarian response to superovulation. Anti-Müllerian hormone concentrations in plasma varied 10-fold between cows before treatment and were found to be highly correlated with the numbers of 3- to 7-mm antral follicles detected by ovarian ultrasonography before treatment (r = 0.79, P < 0.001) and the numbers of ovulations after treatment (r = 0.64, P < 0.01). Between-animal differences in AMH concentrations were found to be unchanged after a 3-mo delay (r = 0.87, P < 0.01), indicating that AMH endocrine levels were characteristic of each animal on a long-term period. The population of healthy 3- to 7-mm follicles was the main target of superovulatory treatments, contained the highest AMH concentrations and AMH mRNA levels compared with larger follicles, and contributed importantly to AMH endocrine levels. In conclusion, AMH was found to be a reliable endocrine marker of the population of small antral gonadotropin-responsive follicles in the cow. Moreover, AMH concentrations in the plasma of individuals were indicative of their ability to respond to superovulatory treatments.

Charlène Rico, Stéphane Fabre, Claire Médigue, Nathaliedi Clemente, Frédérique Clément, Martine Bontoux, Jean-Luc Touzé, Mickaël Dupont, Eric Briant, Benoît Rémy, Jean-François Beckers, and Danielle Monniaux "Anti-Müllerian Hormone Is an Endocrine Marker of Ovarian Gonadotropin-Responsive Follicles and Can Help to Predict Superovulatory Responses in the Cow," Biology of Reproduction 80(1), 50-59, (1 January 2009). https://doi.org/10.1095/biolreprod.108.072157
Received: 24 July 2008; Accepted: 1 August 2008; Published: 1 January 2009
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