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Mama Mouchili
Department of Biological Sciences Applied to Agriculture, Faculty of Sciences, University of Ebolowa
Veterinary

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Reproductive Performances of SIMGOUD Crossbreed Cows and The Effect of Concentrate Feed Supplementation on The Production and Chemical Composition of Milk Mama Mouchili; Edouard Aimé Pouachiyouen Pechangou; Emile Miegoué; Jules Lemoufouet; Fernand Tendonkeng
Journal of Applied Veterinary Science And Technology Vol. 5 No. 2 (2024): October 2024
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/javest.V5.I2.2024.140-145

Abstract

Background: The performance of milk production remains very weak.  This low performance is mainly explained by the low genetic potential of local breeds (1 to 3 litre of milk/day or even less in the dry season compared to 40 to 50 l/day for Holstein cows in Europe).  Purpose: The present study on the evaluation of the reproductive performance of Simgoud crossbreed cows and the effect of feeding on the production and chemical composition of milk was conducted at the SODEPA ranch of Faro in Adamaoua Cameroon between July and August 2023.  Method:  The Simgoud cow is a cross between the exotic Simmental and the local Goudali breeds. The animals were divided into two batches of six cows and six calves per batch, of comparable physiological condition. Results:  The age at first calving was 39 months, and the crossbreeding allowed the farmer to decrease the age at first calving of the Goudali by 24%. The observed calving interval was 18 months with a variation rate of 16.20%. The total amount of milk produced in 90 days by the cows that received a feed supplement (concentrate) was estimated at 810 liters for an average daily production of 9.66 liters, compared to 666 liters over the same lactation period in the cows that did not receive a supplement, an average of 7.46 liters per day. Supplementation had a significant effect on milk production. The analysis of the chemical composition of the milk shows that apart from the pH, the supplementation of Simgoud cows with concentrate had a significant effect, improving the content of all other parameters studied. Conclusion:  Supplementation is recommended for the improvement of the milk production parameters in Simgoud cows.
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 Edouard Aimé Pouachiyouen Pechangou Emile Miegoué Fernand Tendonkeng Fonkem Séverin Fonou Tadiesse Lavoisier Fopa Foda Constant Jules Lemoufouet Kenfack Augustave Kouamo Justin Takam Mbogne Boris Igor Vemo Narcisse Bertin