Nutritive Value of Sorghum Dried Distillers Grains with Solubles and its Effect on Performance in Geese
文献类型: 外文期刊
第一作者: Wang, Chao
作者: Wang, Chao;Huang, Yong;Zhao, Xianzhi;Gao, Guangliang;Wang, Yangming;Peng, Xiangwei;Wang, Qigui;Xie, Ming
作者机构:
关键词: carcass yields;chemical composition;digestibility;geese;growth performance;sorghum dried distillers grains with solubles
期刊名称:JOURNAL OF POULTRY SCIENCE ( 影响因子:1.425; 五年影响因子:1.25 )
ISSN: 1346-7395
年卷期: 2018 年 55 卷 1 期
页码:
收录情况: SCI
摘要: The study was conducted to determine the chemical composition and nutritive value of sorghum dried distillers grains with solubles (sDDGS) and its effect as a feed supplement on the performance of geese. Experiment 1 showed that the gross energy, crude protein, ether extract, crude fiber, calcium, phosphorus, and amino acid content values of sDDGS were 17.87 MJ/kg and 15.48, 4.26, 31.46, 0.17, 0.25, and 0.06-3.18% [dry matter basis (DM)], respectively. Experiment 2 used fasting force feeding to measure the true metabolizable energy of sDDGS (11.38 MJ/kg DM) and true total tract digestibility of amino acids (43.16-80.92% DM) in geese. Experiment 3 examined the effectiveness of sDDGS as a feed supplement for geese. Three hundred and fifteen 35-day-old male Sichuan white geese with an initial average body weight of 1,732 g were randomly allocated to five treatments. Geese in each treatment group were fed one of five experimental diets (control diet alone, or supplemented with 4, 8, 12, or 16% sDDGS) until 70 days of age. Inclusion of sDDGS in the diet did not affect daily average weight gain (P>0.05). Birds fed diets containing up to 8% sDDGS had higher average feed intake (P<0.05) than geese fed the control diet, and the feed/gain ratio in geese fed diets containing 16% sDDGS was higher (P<0.05) than in the control and the 4% sDDGS group. The yields of breast meat, leg meat, subcutaneous fat and skin, and abdominal fat were not affected (P>0.05) by dietary sDDGS levels. Generally, sDDGS is a potentially valuable feedstuff for geese, but it should be supplemented with a high-energy or protein-rich ingredient. To improve growth performance and carcass yield, up to 12% sDDGS can be included in diets from 35 to 70 days of age.
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