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首页> 外文期刊>Tropical Animal Health and Production >Feed intake, digestibility, nitrogen utilization, and body weight change of sheep consuming wheat straw supplemented with local agricultural and agro-industrial by-products
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Feed intake, digestibility, nitrogen utilization, and body weight change of sheep consuming wheat straw supplemented with local agricultural and agro-industrial by-products

机译：补充当地农业和农工副产品的食用绵羊的小麦秸秆的饲料摄入，消化率，氮利用和体重变化

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Effects of supplementing sheep consuming wheat straw with local agro-industrial by-products on feed intake, growth, digestibility and nitrogen utilization were determined. Thirty 1-year-old local wethers, with a mean (±SD) live weight of 19.8 (±1.06) kg, were assigned to five treatments: wheat straw + atella (T1), wheat straw + atella + poultry litter (T2), wheat straw + atella + coffee pulp (T3), wheat straw + atella + coffee pulp + poultry litter (T4), hay + concentrate (T5). A 7-day digestibility experiment and a 112-day growth trial were conducted. Total dry matter (DM) and organic matter (OM) intake as well as body weight gain was similar for all treatments. The highest (P < 0.05) nitrogen (N) intake was in sheep fed T1 and T4 diets, while the lowest was in those fed T2 and T5 diets. Sheep fed T1 and T2 diets had greater (P < 0.05) DM and OM digestibility than those fed T4 and T5 diets. The highest (P < 0.05) digestibility of N was for the T2, T4, and T5 diets, while the lowest was for the T1 diet. The highest N retention was in T4 diet, whereas the lowest was in T3 diet. In conclusion, in urban and peri-urban areas where atella, poultry litter, or coffee pulp are available, smallholder farmers could feed the mixtures as a supplement to straw with a good performance without using concentrate feeds.
机译：确定了用当地的农业工业副产品补充绵羊食用小麦秸秆对饲料摄入，生长，消化率和氮利用的影响。 30头1岁的当地猫鼬，平均活体重（±SD）为19.8（±1.06）公斤，被分配给五种处理方法：麦秸+阿特拉（T1），麦秸+阿特拉+家禽凋落物（T2） ，小麦秸秆+阿特利亚+咖啡浆（T3），小麦秸秆+阿特利亚+咖啡浆+家禽垃圾（T4），干草+精矿（T5）。进行了7天的消化率实验和112天的生长试验。所有治疗的总干物质（DM）和有机物质（OM）摄入量以及体重增加均相似。饲喂T1和T4日粮的绵羊最高（P <0.05）氮（N）摄取，而饲喂T2和T5日粮的绵羊最低。饲喂T1和T2日粮的绵羊比饲喂T4和T5日粮的绵羊具有更高的（P <0.05）DM和OM消化率。 N的最高（P <0.05）消化率是T2，T4和T5日粮，而最低的是T1日粮。氮保留最高的是T4饮食，而最低的是T3饮食。总而言之，在城市和城郊地区，可以买到小提琴，家禽垫料或咖啡浆，小农户可以不使用浓缩饲料而将混合物作为秸秆的补充饲料，且性能良好。

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