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Takam Mbogne Boris Igor
Institute of Agricultural Research for Development
Veterinary

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Effects of Post-Coital 17α-Hydroxyprogesterone Caproate Administration on Reproductive Performance in Captive Female African Giant Pouched Rats (Cricetomys gambianus) Fonkem Séverin; Fonou Tadiesse Lavoisier; Vemo Narcisse Bertin; Mama Mouchili; Takam Mbogne Boris Igor; Fopa Foda Constant; Kouamo Justin; Kenfack Augustave
Journal of Applied Veterinary Science And Technology Vol. 7 No. 2 (2026): October 2026
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/javest.V7.I2.2026.168-174

Abstract

Background: African giant pouched rats are largely hunted and consumed in most African countries, leading to their rarity in the wildlife. Their breeding remains a major challenge with low reproductive success. Purpose: The present study aimed to determine the optimal post coital administration period of HPC that could maximize reproductive performances of FAGPR in captivity. Method: After mating, females of 8 months old were randomly distributed to three groups of 8 animals, housed singly with free access to water and feed. Each female was administered daily, an intramuscular injection of 16mg/kg bw of HPC. Group 1 was treated from day 3 to day 27, group 2 from day 3 to day 7, whereas group 3 received injections from day 7 to day 27 post coitus. Animals were observed until parturition, and reproductive performance was evaluated. Results: Pregnancy duration significantly increased (p<0.05) in group 1 (32.25±2.43 days) as compared to groups 2 (29.2±0.63 days) and 3 (29.83±0.98 days). Group 2 recorded the lowest fertile mating rate (85.93%) as compared to group 1 (100%) and 3 (93.75%). The stillbirth rate significantly increased (p<0.05) in groups 2 (8.3±3.24%) and 3 (7.06±1.03%) as compared to group 1 (3.57±1.84%). Litter size was significantly lower (p<0.05) in group 2 (5.4±0.86) compared to others groups. The highest viability of kids (89.88±9.26%) was observed in group 1 as compared to groups 2 (82.95±7.93%) and 3 (79.2±5.32%). Conclusion: The optimal administration period of HPC in FAGPR was extended from day 3 to day 27 post coitus for better reproductive success in captive breeding.
Co-Authors Fonkem Séverin Fonou Tadiesse Lavoisier Fopa Foda Constant Kenfack Augustave Kouamo Justin Mama Mouchili Vemo Narcisse Bertin