Aroua Mohamed, Haj Koubaier Hayet, Rekik Chaima, Fatica Antonella, Ben Said Samia, Malek Atef, Mahouachi Mokhtar, Salimei Elisabetta
Université de Jendouba, Ecole Supérieure d'Agriculture du Kef, LR: Appui à la Durabilité des Systèmes de Production Agricoles du Nord-Ouest, Complexe Universitaire Boulifa, Le Kef 7119, Tunisia.
Laboratory of Innovation and Valorization for Sustainable Food Industries, High School of Food Industries of Tunis, University of Carthage, El Khadra 1003, Tunisia.
Foods. 2024 Mar 20;13(6):942. doi: 10.3390/foods13060942.
This study aimed to evaluate carcass and meat quality traits in Masri ( = 14) and North African ( = 14) male donkeys, raised in a semi-intensive breeding system, grazing on mountainous areas, with supplementation of 1 kg of barley per day per animal, slaughtered at 5 (±0.48) years old. Compared to Masri, the North African population exhibited higher ( < 0.05) final body weights (181.7 ± 2.1 and 212.5 ± 7.6 kg) and cold carcass weights (101.7 ± 1.3 and 116.2 ± 4.5 kg), but lower ( < 0.05) cold dressing percentages (56.0 ± 0.4 and 54.6 ± 0.4%). Meat quality analyses showed higher ( < 0.05) cooking loss values in Masri meat (43.9 ± 0.8 vs. 39.9 ± 1.2%). Among the meat color parameters, the hue value was higher ( < 0.05) in North African samples (0.42 ± 0.01 vs. 0.39 ± 0.1). Meat from North African donkeys had higher ( < 0.05) dry matter, fat, and protein contents. Meat amino acid analysis revealed abundant levels of lysine, leucine, and methionine, in both populations. Donkey meat from both populations presented a high polyunsaturated fatty acids content, resulting in polyunsaturated fatty acids/saturated fatty acids and omega 6/omega 3 ratios for all breeds close to the recommended values for human health. Atherogenic and thrombogenic indices were also suggested to have positive effects on consumers' artery health. The characteristics of donkey meat present intriguing nutritional aspects compared to ruminant meat, and its production should be encouraged in the rural development of inner-Mediterranean areas.
本研究旨在评估在半集约化养殖系统中饲养、在山区放牧且每头动物每天补充1千克大麦、5(±0.48)岁时屠宰的马斯里(n = 14)和北非(n = 14)雄性驴的胴体和肉质性状。与马斯里驴相比,北非驴群的终体重(181.7 ± 2.1和212.5 ± 7.6千克)和冷胴体重(101.7 ± 1.3和116.2 ± 4.5千克)更高(P < 0.05),但冷胴体率更低(P < 0.05)(56.0 ± 0.4和54.6 ± 0.4%)。肉质分析表明,马斯里驴肉的烹饪损失值更高(P < 0.05)(43.9 ± 0.8对39.9 ± 1.2%)。在肉色参数中,北非样本的色调值更高(P < 0.05)(0.42 ± 0.01对0.39 ± 0.1)。北非驴肉的干物质、脂肪和蛋白质含量更高(P < 0.05)。肉氨基酸分析显示,两个群体的赖氨酸、亮氨酸和蛋氨酸含量丰富。两个群体的驴肉都呈现出高含量的多不饱和脂肪酸,所有品种的多不饱和脂肪酸/饱和脂肪酸和ω6/ω3比值接近人类健康推荐值。致动脉粥样化指数和血栓形成指数也被认为对消费者的动脉健康有积极影响。与反刍动物肉相比,驴肉的特性呈现出有趣的营养方面,在内地中海地区的农村发展中应鼓励其生产。