Cherif Imene, Arbouche Rafik, Arbouche Yasmine, Mennani Achour, Arbouche Fodil
Department of Agronomy Science, Faculty of Life and Earth Sciences, University of Chadli Bendjedid, El Tarf 36000 Algeria.
Department of Agronomy, Faculty of Life and Earth Sciences, University of Ghardaia, Ghardaïa 47000 Algeria.
Vet World. 2022 Mar;15(3):551-557. doi: 10.14202/vetworld.2022.551-557. Epub 2022 Mar 9.
The potential solution is to use agro-industrial by-products as an unconventional source of raw materials for broiler feed. This study aims to determine the effects of substituting prickly pear (FB; ) husks for corn and FB seed cake for soybean meal on the production performance, slaughter characteristics, and chemical composition of broiler meat.
Two hundred day-old chicks of equal sex ratio (1:1) of Big Fast strain, weighing on average 37±2g, were randomly divided into four homogeneous groups of 50 subjects each. Each group was subdivided into 10 packs of five animals, which were banded and numbered. Rations with substitution rates of 0%, 10%, 20%, and 30% of corn and soybean meal by dehydrated husks and FB cake were randomly distributed among the groups.
Average daily gains and body weights on 48 days were improved (p<0.05) in 10% and 20% groups, while the 30% group performed identically to the control. Cold carcass yield was optimal in 10% and 20% groups. The liver weight of the experimental groups decreased significantly (p<0.05), while their gizzard weight increased significantly (+24 points). The meat protein rate evolved proportionally to the substitution rate, whereas the fat rate depreciated by up to -1.08 points for the 30% group compared to the control.
Incorporating FB processing by-products into broiler feed at rates of 10% and 20% improves zootechnical performance, carcass yields, and the chemical composition of the meat.
潜在的解决方案是将农业工业副产品用作肉鸡饲料的非常规原料来源。本研究旨在确定用仙人掌（FB）壳替代玉米以及用FB籽饼替代豆粕对肉鸡生产性能、屠宰特性和鸡肉化学成分的影响。
选取200只日龄相同（雌雄比例1:1）的大快品系雏鸡，平均体重37±2克，随机分为四组，每组50只。每组再细分为10个包含5只动物的小组，并进行标记和编号。用脱水壳和FB饼分别以0%、10%、20%和30%的比例替代玉米和豆粕的日粮随机分配给各小组。
10%和20%替代组的48日龄平均日增重和体重有所提高（p<0.05），而30%替代组的表现与对照组相同。10%和20%替代组的冷胴体产量最佳。实验组的肝脏重量显著下降（p<0.05），而肌胃重量显著增加（增加24个百分点）。肉蛋白率与替代率成比例变化，而30%替代组的脂肪率与对照组相比下降了1.08个百分点。
以10%和20%的比例将FB加工副产品纳入肉鸡饲料可提高畜牧生产性能、胴体产量和肉的化学成分。
