Tjok Gde Oka Pemayun, - and Imam Mustofa, - and Laba Maha Putra, - and Herry Agoes Hermadi, - and Ngakan Made Rai Wijaya, - and Sri Mulyati, - and Suzanita Utama, - and Tjuk Imam Restiadi, - and Rimayanti, - (2021) Fertility restoration of racing mare with persistent corpus luteum. Veterinary World, 14 (9). pp. 2356-2361. ISSN p 0972-8988, e 2231-0916

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Abstract

Background and aim: Persistent corpus luteum (PCL) causes anestrus in mares. This study aimed to determine the effect of intrauterine prostaglandin F2α (PGF2α) treatment on PCL of racing mares to restore fertility. Materials and methods: Twelve racing mares suspected with PCL were diagnosed using transrectal palpation and confirmed by serum progesterone (P4) concentration measurement. PGF2α was infused intrauterine, followed by serum collection at 24, 48, and 72 h after. Estrous symptoms were monitored, and mating was conducted on day 3 of estrus with an earlier injection of 8.4 μg gonadotropin-releasing hormone twice a day. Transrectal palpation was performed on days 21-30 to observe the corpus luteum. Pregnancy diagnosis was performed rectally on 40-45 days post-mating and confirmed using Doppler ultrasound scanning. Results: Eleven of the 12 mares had PCL. There was a dramatic reduction in the P4 concentration following PGF2α treatment of mares with PCL. All mares exhibited estrus 2.6±0.55 days post-treatment with a P4 concentration of 0.12±0.12 ng/mL. Rectal palpation and P4 concentration on 21-30 days after estrous onset showed that all mares were ovulating. The evaluation of P4 concentration on days 40-45 post-mating showed that all mares were still in the luteal phase. However, the pregnancy rate was only 54.5% based on rectal palpation and Doppler ultrasound scanning. Conclusion: Treatment of PCL in racing mares with an intrauterine infusion of PGF2α restored the estrous cycle and induced ovulation and pregnancy. Keywords: estrus; fertility; good health and well-being; ovulation; progesterone; racing mare

Item Type:	Article
Uncontrolled Keywords:	estrus; fertility; good health and well-being; ovulation; progesterone; racing mare
Subjects:	S Agriculture > SF Animal culture > SF277-360.4 Horses S Agriculture > SF Animal culture > SF600-1100 Veterinary medicine > SF811-909 Veterinary medicine of special organs, regions, and systems
Divisions:	06. Fakultas Kedokteran Hewan > Reproduksi Veteriner
Creators:	Creators NIM Tjok Gde Oka Pemayun, - - Imam Mustofa, - NIDN0027046003 Laba Maha Putra, - - Herry Agoes Hermadi, - NIDN0023085904 Ngakan Made Rai Wijaya, - - Sri Mulyati, - NIDN0006116105 Suzanita Utama, - NIDN0002106104 Tjuk Imam Restiadi, - NIDN0009116110 Rimayanti, - NIDN0003126305
Depositing User:	Nn Erna Dwi Indriyani
Date Deposited:	18 Apr 2022 03:11
Last Modified:	18 Apr 2022 03:11
URI:	http://repository.unair.ac.id/id/eprint/115351
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