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Effects of starch and gelatin encapsulated vitamin A on growth performance, immune status and antioxidant capacity in weaned piglets

作者：

Yuhan Hu;Lin Zhang;Yu Zhang;Hanchu Xiong;Fengqin Wang;Yizhen Wang;Zhaoqing L

单位：

Key Laboratory of Animal Feed and Nutrition of Zhejiang Province;Institute of Feed Science, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture; National Engineering Laboratory of Bio-feed Safety and Pollution Prevention; National Engineering Laboratory of Bio-feed Safety and Pollution Preventio

关键词：

Antioxidant capacity;Gelatin encapsulated vitamin A;Growth performance;Immunity;Piglets;Starch encapsulated vitamin

摘要：

To evaluate the effects of gelatin and starch encapsulated vitamin A on growth performance, immune status and antioxidant capacity in weaned piglets, a total of 96 weaned piglets (body weight = 9.11 ± 0.03 kg, 30-d-old) were randomly allotted to 3 treatments with 4 replications of 8 piglets each. The 3 treatments were control diet (basal diet without addition of vitamin A), gelatin vitamin A diet (basal diet + 13,500 IU/kg gelatin encapsulated vitamin A), and starch vitamin A diet (basal diet + 13,500 IU/kg starch encapsulated vitamin A), respectively. The results showed that piglets fed starch vitamin A diet had significantly higher final body weight and average daily gain compared to those in control and gelatin vitamin A groups (P < 0.05). Gelatin and starch vitamin A supplementation both highly increased serum retinol concentration and immunoglobulin (Ig) M level when compared with the control group (P < 0.05). Additionally, serum IgA level and glutathione peroxidase (GSH-Px) activity were significantly increased by gelatin vitamin A diet on d 21 and starch vitamin A diet on d 42, respectively (P < 0.05). These results demonstrated that dietary supplementation of vitamin A could improve immune function and antioxidant capacity in weaned piglets, and starch vitamin A is better than gelatin vitamin A, especially in promoting the growth performance of piglets.

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Effects of starch and gelatin encapsulated vitamin A on growth performance, immune status and antioxidant capacity in weaned piglets

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