Dietary supplementation of ferulic acid improves performance and alleviates oxidative stress of lambs in a cold environment
Dietary supplementation of ferulic acid improves performance and alleviates oxidative stress of lambs in a cold environment
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日粮中添加阿魏酸可提高羔羊在寒冷环境中的生产性能并减轻氧化应激
DOI：
10.1139/cjas-2018-0200
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发表时间：
2019-12-01
影响因子：
1
通讯作者：
Qi, Jingwei
中科院分区：
文献类型：
--
作者：
Wang, Yuan;Wang, Wenwen;Qi, Jingwei
阿魏酸(FA)被认为是家畜饲料中的抗氧化剂。本研究旨在探讨日粮中添加FA能否通过降低冷环境下羔羊的氧化应激来改善羔羊的生长性能。将32只3个月龄杂交公羔(杜泊×小尾寒羊，体重30.49+/-0.46 kg)随机分为四组：对照组(CON)、FA80(80 mg FA kg(-1)日粮)、FA400(400 mg FA kg(-1)日粮)和FA2000(FA2000 mg FA kg(-1)日粮)。饲喂FA80的羔羊平均日增重高于饲喂CON和FA2000的羔羊(P<；0.05)，低于饲喂FA2000的羔羊(P<；0.05)。FA2000组羔羊的干物质、有机质和中性洗涤纤维表观消化率显著低于其他处理组(P<；0.05)。FA80组血清总蛋白和白蛋白浓度高于其他组(P<；0.05)。饲喂FA80的羔羊血浆谷胱甘肽过氧化物酶和过氧化氢酶活性显著高于对照组(P<；0.05)，丙二醛含量显著低于对照组(P<；0.05)。但FA2000组血浆丙二醛含量显著高于对照组(P<0.05)。综上所述，日粮中添加80mgFA kg(-1)可降低冷环境下羔羊的氧化应激，从而改善羔羊的生长性能。
Ferulic acid (FA) has been regarded as an antioxidant in domestic animals' feed. This study was to investigate whether dietary FA supplementation could improve growth performance by decreasing oxidative stress of lambs in cold environment. Thirty-two 3-mo-old crossbred male lambs (Dorper x Small-tail Han sheep; 30.49 +/- 0.46 kg) were randomly assigned into one of the following dietary treatments: CON (control, no FA), FA80 (80 mg FA kg(-1) of diet), FA400 (400 mg FA kg(-1) of diet), and FA2000 (2000 mg FA kg(-1) of diet). Lambs fed the FA80 had higher (P < 0.05) average daily gain and lower (P < 0.05) feed efficiency than those fed CON and FA2000. The dry matter, organic matter, and neutral detergent fiber apparent digestibility was lower (P < 0.05) for FA2000 lambs than for lambs from other treatments. Serum total protein and albumin concentrations were greater (P < 0.05) for FA80 group than other groups. Lambs fed FA80 had higher (P < 0.05) plasma glutathione peroxidase and catalase activities and lower (P < 0.05) malondialdehyde (MDA) content than lambs fed CON. However, FA2000 group showed higher (P < 0.05) plasma MDA content than CON group. In conclusion, dietary supplementation of 80 mg FA kg(-1) diet could improve growth performance by decreasing oxidative stress of lambs in cold environment.