Evaluation of Effect of Dietary Supplementation with Microencapsulated Hydrolyzed Tannins on Growth, Slaughter Performance, Meat Quality, and Lipid Metabolism of Zhongshan Shelducks
文献类型： 外文期刊
作者： Tian, Zhimei 1 ; Tian, Zhengwei 2 ; Yin, Yingshan 2 ; Wu, Yongmei 2 ; Li, Zhenyuan 2 ; Liang, Qiaohua 2 ; Yu, Miao 1 ; Cui, Yiyan 1 ; Ma, Xianyong 1 ; Peng, Guanghui 1 ; Li, Zhenming 1 ;
作者机构： 1.Guangdong Acad Agr Sci, Inst Anim Sci,Minist Agr & Rural Affairs, State Key Lab Swine & Poultry Breeding Ind, Key Lab Anim Nutr & Feed Sci South China,Guangdong, Guangzhou 510640, Peoples R China
2.Zhongshan Agr Sci & Technol, Extens Ctr, Zhongshan 528400, Peoples R China
关键词： microencapsulated hydrolyzed tannins; growth; meat quality; lipid metabolism; productivity; Zhongshan shelducks
期刊名称：FOODS （ 影响因子：5.1； 五年影响因子：5.6 ）
ISSN：
年卷期： 2025 年 14 卷 5 期
页码：
收录情况： SCI
摘要： This study investigated the effects of microenapsulated hydrolyzed tannins (MHTs) on the growth performance and meat quality of Zhongshan shelducks. A total of 288 healthy Zhongshan shelducks with an average initial weight of 1790.27 +/- 0.14 kg were randomly divided into four groups through a 56 d experiment period and were fed a basal diet supplemented with 0 (CON), 400, 800, and 1600 mg/kg MHTs, respectively. Results showed that 400 and 800 mg/kg MHTs improved the final body weight, average daily gain, glutathione peroxidase activity, and total antioxidant capacity compared to CON (p <= 0.05). The diet supplemented with 400 mg/kg MHTs decreased shear force and 800 mg/kg MHTs increased the yield of pectoralis major muscle compared to CON (p <= 0.05). Dietary MHTs increased inosine monophosphate content and decreased percentage C14:0 content in meat; however, the b*45 min value, 48 h drip loss, and shear force were increased but the percentage intramuscular fat (IMF) content was decreased in pectoralis major muscle with the increase in MHTs (p <= 0.05). Compared to CON, 400 and 800 mg/kg MHTs increased the percentage content of IMF, C18:1n-9, C18:2n-6, monounsaturated fatty acids, polyunsaturated fatty acids, and unsaturated fatty acids in pectoralis major muscle (p <= 0.05). Furthermore, 400 and 800 mg/kg MHTs improved the lipid metabolism of IMF deposition, fatty acid uptake, and adipogenesis by activating the peroxisome proliferator-activated receptor gamma pathway to regulate fatty acid synthetase and lipoprotein lipase genes. In conclusion, diets supplemented with 400 and 800 mg/kg MHTs could improve growth, meat quality, antioxidant capacity, and lipid metabolism in Zhongshan shelducks.
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