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Research Article


Potential of microbial-based feed additives on broiler carcass and fat percentages

Mohammad Sukmanadi, Rochmah Kurnijasanti, Sunaryo Hadi Warsito, Aswin Rafif Khairullah, Imam Mustofa, Riza Zainuddin Ahmad, Adeyinka Oye Akintunde, Bima Putra Pratama, Siti Rani Ayuti, Ertika Fitri Lisnanti.


Abstract
Background:
Factors before and after slaughter can influence carcass quality. A factor that can affect carcass quality before slaughter is feed that includes additives. One alternative is to administer probiotics.

Aim:
This study aimed to determine the effects of liquid probiotics Bacillus subtilis and Bacillus coagulans as feed additives on carcass percentage, consumption, feed conversion rate (FCR), and abdominal fat percentage in broilers.

Methods:
Twenty-four Lohmann broilers (Gallus gallus domesticus) aged 21 days. Birds were randomly divided into four treatment groups. The T0 control group was orally administered 2 ml of distilled water/head/day. T1 was orally administered 2 ml of bacterial isolate/head/day. Group T2 was orally administered with 4 ml of bacterial isolate/head/day. Group T3 was orally administered with 6 ml/head/day of bacterial isolates. Each treatment was conducted for 14 days until the age of 35 days. Broilers were physically weighed to obtain the data sample.

Results:
All liquid probiotic dosages (2, 4, and 6 ml) had significant differences (p < 0.05) in carcass percentage, intake, FCR, and fat percentage. The carcass percentage resulted from a 4 ml liquid probiotic treatment, which was higher than the 2 and 6 ml doses.

Conclusion:
Four milliliters of liquid probiotics (B. coagulans and B. subtilis) are recommended for optimal broiler rearing outcomes.

Key words: Abdominal fat; Bacillus spp.; Carcass percentage; Feed conversion; Food producers.


 
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How to Cite this Article
Pubmed Style

Sukmanadi M, Kurnijasanti R, Warsito SH, Khairullah AR, Mustofa I, Ahmad RZ, Akintunde AO, Pratama BP, Ayuti SR, Lisnanti EF. Potential of microbial-based feed additives on broiler carcass and fat percentages. Open Vet. J.. 2025; 15(9): 4121-4127. doi:10.5455/OVJ.2025.v15.i9.17

Web Style

Sukmanadi M, Kurnijasanti R, Warsito SH, Khairullah AR, Mustofa I, Ahmad RZ, Akintunde AO, Pratama BP, Ayuti SR, Lisnanti EF. Potential of microbial-based feed additives on broiler carcass and fat percentages. https://www.openveterinaryjournal.com/?mno=260329 [Access: October 06, 2025]. doi:10.5455/OVJ.2025.v15.i9.17

AMA (American Medical Association) Style

Sukmanadi M, Kurnijasanti R, Warsito SH, Khairullah AR, Mustofa I, Ahmad RZ, Akintunde AO, Pratama BP, Ayuti SR, Lisnanti EF. Potential of microbial-based feed additives on broiler carcass and fat percentages. Open Vet. J.. 2025; 15(9): 4121-4127. doi:10.5455/OVJ.2025.v15.i9.17


Vancouver/ICMJE Style

Sukmanadi M, Kurnijasanti R, Warsito SH, Khairullah AR, Mustofa I, Ahmad RZ, Akintunde AO, Pratama BP, Ayuti SR, Lisnanti EF. Potential of microbial-based feed additives on broiler carcass and fat percentages. Open Vet. J.. (2025), [cited October 06, 2025]; 15(9): 4121-4127. doi:10.5455/OVJ.2025.v15.i9.17


Harvard Style

Sukmanadi, M., Kurnijasanti, . R., Warsito, . S. H., Khairullah, . A. R., Mustofa, . I., Ahmad, . R. Z., Akintunde, . A. O., Pratama, . B. P., Ayuti, . S. R. & Lisnanti, . E. F. (2025) Potential of microbial-based feed additives on broiler carcass and fat percentages. Open Vet. J., 15 (9), 4121-4127. doi:10.5455/OVJ.2025.v15.i9.17


Turabian Style

Sukmanadi, Mohammad, Rochmah Kurnijasanti, Sunaryo Hadi Warsito, Aswin Rafif Khairullah, Imam Mustofa, Riza Zainuddin Ahmad, Adeyinka Oye Akintunde, Bima Putra Pratama, Siti Rani Ayuti, and Ertika Fitri Lisnanti. 2025. Potential of microbial-based feed additives on broiler carcass and fat percentages. Open Veterinary Journal, 15 (9), 4121-4127. doi:10.5455/OVJ.2025.v15.i9.17


Chicago Style

Sukmanadi, Mohammad, Rochmah Kurnijasanti, Sunaryo Hadi Warsito, Aswin Rafif Khairullah, Imam Mustofa, Riza Zainuddin Ahmad, Adeyinka Oye Akintunde, Bima Putra Pratama, Siti Rani Ayuti, and Ertika Fitri Lisnanti. "Potential of microbial-based feed additives on broiler carcass and fat percentages." Open Veterinary Journal 15 (2025), 4121-4127. doi:10.5455/OVJ.2025.v15.i9.17


MLA (The Modern Language Association) Style

Sukmanadi, Mohammad, Rochmah Kurnijasanti, Sunaryo Hadi Warsito, Aswin Rafif Khairullah, Imam Mustofa, Riza Zainuddin Ahmad, Adeyinka Oye Akintunde, Bima Putra Pratama, Siti Rani Ayuti, and Ertika Fitri Lisnanti. "Potential of microbial-based feed additives on broiler carcass and fat percentages." Open Veterinary Journal 15.9 (2025), 4121-4127. Print. doi:10.5455/OVJ.2025.v15.i9.17


APA (American Psychological Association) Style

Sukmanadi, M., Kurnijasanti, . R., Warsito, . S. H., Khairullah, . A. R., Mustofa, . I., Ahmad, . R. Z., Akintunde, . A. O., Pratama, . B. P., Ayuti, . S. R. & Lisnanti, . E. F. (2025) Potential of microbial-based feed additives on broiler carcass and fat percentages. Open Veterinary Journal, 15 (9), 4121-4127. doi:10.5455/OVJ.2025.v15.i9.17


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