Effect of mash and pellet diets containing different sources of fiber on the growth performance and cecal microbial population of broiler chickens
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_KLST-9-1_002
تاریخ نمایه سازی: 14 دی 1400
Abstract:
The effects of different sources of fiber in mash or pellet diets on growth performance and cecal microbial population of broiler chicken were studied for ۴۲ days. The experimental design was completely randomized with ۱۰ treatments arranged as a ۲ × ۵ factorial with ۲ feed forms (mash vs. pelleted) and ۵ diets consisted of ۴ feeds containing ۴ different fiber sources (i.e., sugar-beet pulp (SBP), wheat bran (WB), sunflower hull (SFH), all of which in ۳۰ g/kg of diet and cellulose (CEL) in ۵ g/kg of diet) and a control diet. The results showed that in the starter phase, all diets in pellet form results in a higher BWG of birds compared to those fed mashed forms of fiber sources and control diet (P < ۰.۰۵). Also, feed conversion ratio (FCR) was improved in birds offered diets contained fiber, except for SBP, in the pelleted form, compared to the birds fed fiber in mashed forms, in the starter phase (p <۰.۰۵). Birds fed pelleted diets containing WB and SFH had lower (P < ۰.۰۵) Coliforms and E. coli populations in the cecum, compared to the other treatments. Dietary inclusion of SFH and CEL in pellet form reduced blood TG. In summary, pelleting the diets contained WB, SFH, and CEL was more beneficial for improving FCR than the inclusion of SBP at starter phase. Also, the results suggest that the inclusion of ۳۰ g/kg of natural fibers or ۵ g/kg of CEL in the diets, based on corn-soybean meal, can improve the growth performance, with effects being more pronounced in pellet-fed birds than in mash-fed ones.
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Authors
Ebtesam Boazar
Department of Animal Science, Animal Science and Food Technology Faculty, Agricultural Sciences and Natural Resources University of Khuzestan, Ahvaz, Iran.
Somayyeh Salari
Department of Animal Science, Animal Science and Food Technology Faculty, Agricultural Sciences and Natural Resources University of Khuzestan, Ahvaz, Iran.
Naeem Erfanimajd
Department of Basic Sciences, Faculty of Veterinary Medicine, Shahid Chamran University, Ahvaz, Iran
Kazem Moosavi Fakhr
Executive of Salamatdan Dezful Company, Khuzestan, Dezful, Iran
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