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Effect of dietary graded levels of Imbrasia belina on the chemical composition and fatty acid profile of meat from broiler chickens
International Journal of Tropical Insect Science ( IF 1.2 ) Pub Date : 2021-04-07 , DOI: 10.1007/s42690-021-00515-6
Sipho Moyo , Ishmael Festus Jaja , Keletso Mopipi , Arno Hugo , Patrick Masika , Voster Muchenje

The effect of dietary graded inclusion levels of Imbrasia belina worm meal on meat chemical composition and fatty acid profile of broiler chicken meat was evaluated. A total of 360 chicks were randomly allocated to four dietary treatments, with each treatment group replicated 6 times (n = 15/replicate). The inclusion levels of the I. belina worm meal in the treatments were 0% control = T1, T2 = 4%, T3 = 8% and 12%. A three-phase feeding program of starter (0-14d), grower (15-28d), and finisher (29-35d) was employed for the study. The results showed that crude protein content of breast meat was higher (P < 0.05) in dietary treatments than control, whereas crude fat content of thigh meat was higher (P < 0.05) than in breast meat. The fatty acid composition of breast meat myristic and myristoleic acid levels were significantly reduced (P < 0.05) in treatment groups than the control, whereas the levels of linoleic acid, ⅀PUFA, ⅀PUFA/SFA, ⅀PUFA: MUFA, ⅀(n-6) in thigh meat decreased significantly (P < 0.05) in treatment groups than control. The ⅀(n-3) and atherogenic index in the thigh meat increased significantly (P < 0.05) with incremental levels of I. belina meal. In conclusion, I. belina meal improved the protein content of breast meat and reduced levels of some fatty acids.



中文翻译:

饮食分级水平的伊贝拉菌对肉仔鸡肉化学成分和脂肪酸谱的影响

评估了日粮伊贝拉虫蠕虫粉的膳食分级夹杂物含量对肉鸡肉化学成分和脂肪酸谱的影响。总共360只小鸡被随机分配到四种饮食处理中,每个处理组重复6次(n = 15 /重复)。贝利纳斯州的纳入水平治疗中的meal粉分别为:对照组= 0%,T2 = 4%,T3 = 8%和12%。本研究采用了起动机(0-14d),生长机(15-28d)和育肥机(29-35d)的三相饲喂程序。结果表明,日粮中胸肉的粗蛋白含量高于对照组(P <0.05),而大腿肉的粗脂肪含量则高于对照组(P <0.05)。与对照组相比,治疗组的胸肉肉豆蔻肉豆蔻酸和肉豆蔻酸的脂肪酸组成显着降低(P <0.05),而亚油酸,⅀PUFA,⅀PUFA / SFA,⅀PUFA:MUFA,⅀(n -6)治疗组的大腿肉比对照组明显减少(P <0.05)。随着I水平的升高,大腿肉中的⅀(n-3)和动脉粥样硬化指数显着增加(P <0.05)一顿饭。总之,贝利纳豆粕可改善胸肉中的蛋白质含量,并降低某些脂肪酸的含量。

更新日期:2021-04-08
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