Abstract：
Palm oil is a natural energy source ingredient in poultry diets that offers a broad range of beneficial effects on the performance of broiler chickens. This review was conducted to highlight the impact of palm oil as a feed ingredient on growth performance and carcass quality, as well as the biochemical, antioxidant activity and tissue fatty acids (FA) composition of broiler chickens. Palm oil inclusion in broiler chickens\' rations contributes significantly to the high metabolisable energy (ME) of feed formulation, increases feed palatability and decreases digesta passage rate in the intestine. The reviewed literature indicated that dietary palm oil has a beneficial effect on broiler chickens\' overall growth performance traits. The addition of palm oil can also improve the heat tolerance of chickens reared in high ambient temperature conditions. Regardless of breed and breeding conditions, palm oil exhibits good oxidative stability in broiler chickens due to the presence of prevalent phytonutrient elements in this oil. The inclusion of palm oil increased palmitic (C16:0) and oleic (C18:1) acids in tissue deposits, which improves meat stability and quality. Moreover, molecular studies have revealed that higher mRNA expression of several lipid-related hepatic genes in broiler chickens fed palm oil. Nonetheless, dietary palm oil can influence FA deposition in tissues, modulate lipoprotein and triglycerides (TG) levels, and cytokine contents in the blood serum of broiler chickens.
摘要：
棕榈油是家禽日粮中的天然能源成分，对肉鸡的生产性能具有广泛的有益作用。这篇综述旨在强调棕榈油作为饲料成分对生长性能和car体质量的影响，以及生化，肉仔鸡的抗氧化活性和组织脂肪酸（FA）组成。肉鸡口粮中包含的棕榈油对饲料配方的高代谢能（ME）有显著贡献，增加饲料的适口性和减少消化在肠道中的通过率。综述的文献表明，膳食棕榈油对肉鸡的整体生长性能性状具有有益的影响。添加棕榈油还可以提高在高环境温度条件下饲养的鸡的耐热性。无论品种和繁殖条件如何，棕榈油在肉鸡中表现出良好的氧化稳定性，因为该油中存在普遍存在的植物营养素元素。包含棕榈油增加了组织沉积物中的棕榈酸（C16：0）和油酸（C18：1），这提高了肉的稳定性和质量。此外，分子研究表明，饲喂棕榈油的肉鸡中几种脂质相关肝基因的mRNA表达更高。尽管如此，膳食棕榈油可以影响FA在组织中的沉积，调节脂蛋白和甘油三酯（TG）水平，和肉鸡血清中细胞因子含量。
