Moutik Sana, Benali Aouatif, Bendaou Mohammed, Maadoudi El Haj, Kabbour Mohammed Rachid, El Housni Abdellah, Es-Safi Nour Eddine
Mohammed V University in Rabat, LPCMIO, Materials Science Center (MSC), Ecole Normale Supérieure, Rabat, Morocco.
INRA, CRRA-Rabat, P.O. Box 6570, Rabat Institutes, 10101, Rabat, Morocco.
Heliyon. 2021 Feb 1;7(2):e05942. doi: 10.1016/j.heliyon.2021.e05942. eCollection 2021 Feb.
The current study was performed in order to evaluate the effect of using argane by-products (oil cake and pulp) as fattening diet of lambs. This was achieved through an experimental lamb fattening investigation using argan by-product as feeding source and the exploration of the fattened lamb performance, carcass characteristics and the chemical fatty acid composition of the quality produced meat. Twenty fattening Sardi lambs (26 ± 0.5 kg body weight and six months old) were divided into two (n = 10) homogenous experimental and control groups. Argane by-products (ABP) and traditional (CF) diets have been used for feeding the experimental and control groups respectively during a period of 75 days. The results obtained for both groups were used to determine the effect of feeding argane by-products on animal weight, average daily gain (ADG), carcass weight, muscle pH values, dressing %, dry matter, ash, ether extract, crude fiber, crude protein, and fatty acid composition. The obtained results showed that the experimental ABP group lambs had higher average daily gain and meat chemical, crude protein and ash and proportion of C18:0 than the control CF group lambs, while the control CF group had a higher feed conversion ratio, ether extract, mesenteric and perirenal fat. The results obtained for pH and pH were similar for both explored groups. The obtained results showed thus that the use of ABP as a diet to fattening lambs increased their performance and lean meat yield.
本研究旨在评估使用摩洛哥坚果副产品（油饼和果浆）作为羔羊育肥日粮的效果。这是通过一项以摩洛哥坚果副产品作为饲料来源的羔羊育肥实验研究来实现的，并探究育肥羔羊的生长性能、胴体特征以及所产肉品的化学脂肪酸组成。二十只育肥的萨迪羔羊（体重26±0.5千克，6月龄）被分为两个同质的实验组和对照组（每组n = 10）。在75天的时间里，分别使用摩洛哥坚果副产品（ABP）日粮和传统（CF）日粮喂养实验组和对照组。两组所得结果用于确定饲喂摩洛哥坚果副产品对动物体重、平均日增重（ADG）、胴体重、肌肉pH值、屠宰率、干物质、灰分、乙醚提取物、粗纤维、粗蛋白和脂肪酸组成的影响。所得结果表明，实验组ABP组羔羊的平均日增重、肉品化学指标、粗蛋白和灰分以及C18:0的比例均高于对照组CF组羔羊，而对照组CF组的饲料转化率、乙醚提取物、肠系膜和肾周脂肪含量更高。两个实验组的pH值结果相似。因此，所得结果表明，使用ABP作为羔羊育肥日粮可提高其生长性能和瘦肉产量。
