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All Journal Asian Journal of Agriculture
HUSNURRIZAL HUSNURRIZAL
Laboratory of Reproduction, Faculty of Veterinary Medicine, Universitas Syiah Kuala. Jl. Teungku Hasan Krueng Kalee, No. 4, Kopelma Darussalam, Syiah Kuala, Banda Aceh 23111, Aceh, Indonesia
Agriculture, Biological Sciences & Forestry

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Short communication: Disparities in early luteal phase progesterone concentrations between repeat breeder and fertile Aceh cattle CUT NILA THASMI; UMAR PUTEH HAFIZUDDIN; HUSNURRIZAL HUSNURRIZAL; TONGKU NIZWAN SIREGAR; HERRIALFIAN HERRIALFIAN; AMALIA SUTRIANA; ROSMAIDAR ROSMAIDAR; FARAH FARIDA HANUM; GHOLIB GHOLIB; ARMAN SAYUTI; YUSMADI YUSMADI; RINA AULIA BARUS; MOHAMMED AHMED ELSHAREF ABDELBAGI
Asian Journal of Agriculture Vol. 9 No. 2 (2025)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/asianjagric/g090251

Abstract

Abstract. Thasmi CN, Hafizuddin UP, Husnurrizal, Siregar TN, Herrialfian, Sutriana A, Rosmaidar, Hanum FF, Gholib, Sayuti A, Yusmadi, Barus RA, Abdelbagi MAE. 2025. Short communication: Disparities in early luteal phase progesterone concentrations between repeat breeder and fertile Aceh cattle. Asian J Agric 9: 854-860. Repeat breeding remains a major reproductive constraint in cattle, often associated with altered luteal function and inadequate progesterone production during early estrus cycles. Understanding hormonal differences between fertile and repeat breeder cows is essential for improving reproductive efficiency in Aceh cattle (Bos indicus). This study aimed to investigate disparities in progesterone concentrations during the early luteal phase between repeat breeder and fertile Aceh cows. Six multiparous Aceh cows, aged 3-5 years and weighing 150-250 kg, were selected as study subjects. The cows were divided into two groups: repeat breeders (n=3) and fertile cows (n=3). To ensure synchronized estrus timing, all cows received 5 ml PGF2α (Enzaprost®-T, Dinoprost 5 mg) using the by double injection method. Estrus detection was performed following PGF2α injection in the morning and afternoon. Blood samples were collected on days 3 and 6 post-estrus for progesterone analysis. Progesterone concentrations were determined measured using the Enzyme-Linked Immunosorbent Assay (ELISA) method, and the data were analyzed using the Mann-Whitney U test. Results indicated that progesterone concentrations on days 3 and 6 were 5.68±4.98 and 6.61±3.04 ng/mL in fertile cows, whereas in repeat breeder cows, the concentrations were only 0.35±0.07 and 2.74±0.58 ng/mL, respectively. A significant difference in progesterone concentration was observed on day 3 between the two groups (p < 0.05). The conclusion indicates that repeat breeder Aceh cows exhibit lower progesterone concentrations during the early luteal phase compared to fertile cows. These findings contribute significantly to the understanding of hormonal differences between the two groups, which may serve as a foundation for developing more effective and sustainable breeding strategies.
Effects of bovine pituitary extract on testosterone levels, androgen receptor expression, sperm quality, and testicular morpho function in male rats JULI MELIA; TEUKU ARMANSYAH; TONGKU NIZWAN SIREGAR; CUT INTAN NOVITA; HUSNURRIZAL HUSNURRIZAL; SRI WAHYUNI; IQRANA QARANI AHMAD; ILHAM RAHMAN EFLIANDI; MIFTAHUL HADDIAH; ZAININA NADHILAH MARYAM
Asian Journal of Agriculture Vol. 10 No. 1 (2026)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/asianjagric/g100184

Abstract

Testosterone plays a central role in spermatogenesis and male reproductive function, primarily through its interaction with androgen receptors (AR) in testicular cells. Optimizing AR expression is therefore essential for maintaining normal testicular activity and ensuring high sperm quality. Bovine pituitary extract (BPE), which contains key reproductive hormones such as follicle-stimulating hormone (FSH) and luteinizing hormone (LH), has the potential to modulate endocrine function and enhance spermatogenesis. This study aimed to evaluate the effects of BPE administration on plasma testosterone levels, AR expression, sperm quality, and testicular morpho function in male Wistar rats. Animals were divided into a control group and treatment groups receiving intraperitoneal BPE injections over 1–6 weeks. The findings revealed that BPE did not significantly affect circulating testosterone levels. However, AR expression in Leydig cells increased significantly after two weeks of treatment. Improvements were also observed in sperm quality, including higher concentration and motility, along with reduced abnormalities. Additionally, testicular structure showed enhancement, reflected by increased seminiferous tubule diameter and germinal epithelial thickness. Overall, BPE administration improves male reproductive performance by enhancing AR expression, spermatogenesis, and testicular structure without altering systemic testosterone levels.
Co-Authors AMALIA SUTRIANA ARMAN SAYUTI CUT INTAN NOVITA CUT NILA THASMI FARAH FARIDA HANUM GHOLIB GHOLIB HERRIALFIAN HERRIALFIAN ILHAM RAHMAN EFLIANDI IQRANA QARANI AHMAD JULI MELIA MIFTAHUL HADDIAH MOHAMMED AHMED ELSHAREF ABDELBAGI RINA AULIA BARUS ROSMAIDAR ROSMAIDAR SRI WAHYUNI TEUKU ARMANSYAH TONGKU NIZWAN SIREGAR UMAR PUTEH HAFIZUDDIN YUSMADI YUSMADI ZAININA NADHILAH MARYAM