Articles | Volume 68, issue 3
https://doi.org/10.5194/aab-68-485-2025
https://doi.org/10.5194/aab-68-485-2025
Original study
 | 
25 Jul 2025
Original study |  | 25 Jul 2025

Enzyme inclusion or fermentation of canola-based diets generate different responses in growth indicators, carcass quality, nutrient digestibility, bone strength, and blood biochemical parameters in broiler chickens

Abdul Hafeez, Waseem Akram, Hanan Al-Khalaifah, Shabana Naz, Rifat Ullah Khan, Vincenzo Tufarelli, and Ibrahim A. Alhidary

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Cited articles

Abudabos, A. M., Al-Atiyat, R. M., Stanley, D., Aljassim, R., and Albatshan, H. A.: The effect of corn distiller’s dried grains with solubles (DDGS) fortified with enzyme on growth performance of broiler, Environ. Sci. Pollut. Res., 24, 21412–21421, 2017. 
Ahsan, T., Tahir, M., Khan, R. U., Ahmad, S., Khan, N. A., Konca, Y., Alhidary, I. A., Abdelrahman, S. A., and Tarricone, S.: Impact of varying levels of soy hulls and β-mannanase enzyme supplementation on growth performance, carcass characteristics, nutrient utilization and blood biochemical profile in broiler chickens, Ital. J. Anim. Sci., 23, 1551–1560, https://doi.org/10.1080/1828051X.2024.2410878, 2024a. 
Ahsan, T., Tahir, M., Naz, S., Khan, R. U., Alhidary, I. A., Abdelrahman, S. H., and Selvaggi, M.: Effect of soy hulls as alternative ingredient on growth performance, carcass quality, nutrients digestibility and intestinal histological features in broilers, Ital. J. Anim. Sci., 23, 1336–1347, https://doi.org/10.1080/1828051X.2024.2397495, 2024b. 
Aini, Q., Harnentis, Fajrona, K., Ciptaan, G., Mirnawati, and Srifani, A.: Broiler's responses to containing fermented soybean milk waste with a combination of Neurospora crassa and Aspergillus ficuum, Int. J. Vet. Sci., 12, 593–598, https://doi.org/10.47278/journal.ijvs/2022.029, 2023. 
Ajmal, A. S., Hussain, Z., Jalees, M. M., Shafi, J., Manzoor, S., and Haq, A. U.: Performance of broiler birds on feeding natural anti-stressors in summer during heat stress, Asian J. Agric. Biol., 2023, 2022024, https://doi.org/10.35495/ajab.2022.024, 2023. 
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Short summary
Using 900 Hubbard broilers, results showed that enzyme treatment and fermentation improved weight gain and FCRs (feed conversion ratios). Fermentation at 6 % and 12 % was optimal, while 18 % had negative effects. Carcass traits, nutrient digestibility, and bone strength improved, with reduced triglycerides in fermented groups, enhancing broiler productivity.
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