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首页> 外文期刊>Tropical Animal Health and Production >Feeding of Spinach or Sweet-potato Leaves and Growth Performance of Growing Pigs Kept on Smallholder Farms in Central Vietnam
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Feeding of Spinach or Sweet-potato Leaves and Growth Performance of Growing Pigs Kept on Smallholder Farms in Central Vietnam

机译：越南中部小农户菠菜或甘薯叶的饲养和生猪的生长性能

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We investigated whether the addition of either spinach or sweet-potato leaves to the diet of growing pigs, kept in small holdings in Central Vietnam, would improve growth performance. A control diet was formulated and mixed with each of the vegetables to a final concentration of 15% of the total dietary dry matter. The diets were fed to the pigs from 70 to 100 days of age on six different smallholder farms in Central Vietnam. There were three animals per treatment group per farm and biopsies of adipose tissue were analysed for their contents of α-linolenic, eicosapentaenoic and docosahexaenoic acids. The diets without and with vegetables contained on average 0.14 and 0.32 g α-linolenic acid per MJ metabolizable energy. The relative percentage of α-linolenic acid in adipose tissue was raised by the intake of the vegetables. Eicosapentaenoic acid was not detectable in adipose tissue and the level of docosahexaenoic acid was unchanged. There was a significant stimulatory impact of the intake of either spinach or sweet-potato leaves on growth performance of the growing pigs. It is suggested that an adipose tissue content of α-linolenic acid less than 1% of total fatty acids does not allow maximum growth in growing pigs.
机译：我们调查了在越南中部小规模饲养的成年猪的饲料中添加菠菜叶或甜马铃薯叶是否会改善生长性能。配制对照饮食，并与每种蔬菜混合，使其最终浓度为总饮食干物质的15％。在越南中部六个不同的小农户农场中，将日粮饲喂70至100天大的猪。每个农场每个治疗组有3只动物，并分析了脂肪组织活检组织中α-亚麻酸，二十碳五烯酸和二十二碳六烯酸的含量。不含和含蔬菜的饮食每MJ代谢能平均含有0.14和0.32 gα-亚麻酸。通过摄入蔬菜可以提高脂肪组织中α-亚麻酸的相对百分比。在脂肪组织中未检出二十碳五烯酸，二十二碳六烯酸的水平未改变。菠菜叶或甜马铃薯叶的摄入对生长猪的生长性能有显着的刺激作用。有人提出，α-亚麻酸的脂肪组织含量少于总脂肪酸的1％，不能使生长中的猪获得最大的生长。

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