Ovarian luteal category at the time of exogenous progesterone treatment alters pre-ovulatory follicle size and pregnancy outcome but not initial GnRH treatment in repeat-breeder crossbred dairy heifers submitted to the 7-day fixed-time AI protocol

Ovarian luteal category at the time of exogenous progesterone treatment alters pre-ovulatory follicle size and pregnancy outcome but not initial GnRH treatment in repeat-breeder crossbred dairy heifers submitted to the 7-day fixed-time AI protocol

Repeat breeding is a substantial problem in heifer and cow breeding leading to greater infertility for female dairy herds. The aim of present study was to investigate the impact of corpus luteum (CL) presence and category and the first gonadotropin-releasing hormone (GnRH) administration concurrent...

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Bibliographic Details
Main Authors: Warunya Chaikol, Chayanon Yadmak, Punnawut Yama, Jakree Jitjumnong, Molarat Sangkate, Warittha U-krit, Nalinthip Promsao, Assawadet Suriard, Raktham Mektrirat, Julakorn Panatuk, Hien Van Doan, Chien-Kai Wang, Pin-Chi Tang, Tossapol Moonmanee
Format: Article
Language:English
Published: Elsevier 2022-09-01
Series:Veterinary and Animal Science
Subjects:
Artificial insemination
Exogenous hormone treatments
Largest follicle, Infertile dairy heifers
Reproductive management
Ovarian luteal tissue
Online Access:http://www.sciencedirect.com/science/article/pii/S2451943X2200028X

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http://www.sciencedirect.com/science/article/pii/S2451943X2200028X

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