[1]涂远璐,孟梅娟,白云峰,等.南方农区小麦秸秆与非常规饲料的组合利用[J].江苏农业学报,2017,(01):166-173.[doi:10.3969/j.issn.1000-4440.2017.01.027 ]
　TU Yuan-lu,MENG Mei-juan,BAI Yun-feng,et al.Study of the combined utilization of wheat straw and unconventional feeds in Southern China agriculture region[J].,2017,(01):166-173.[doi:10.3969/j.issn.1000-4440.2017.01.027 ]
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南方农区小麦秸秆与非常规饲料的组合利用()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2017年01期
页码:
166-173
栏目:
畜牧兽医·水产养殖
出版日期:
2017-02-28

文章信息/Info

Title:
Study of the combined utilization of wheat straw and unconventional feeds in Southern China agriculture region
作者:
涂远璐; 孟梅娟; 白云峰; 高立鹏; 严少华; 刘萍; 刘建; 宋谦
（江苏省农业科学院六合动物科学基地，江苏南京210014）
Author(s):
TU Yuan-lu; MENG Mei-juan; BAI Yun-feng; GAO Li-peng; YAN Shao-hua; LIU Ping; LIU Jian; SONG Qian
(Liuhe Animal Science Base of Jiangsu Academy of Agricultural Science, Nanjing 210014, China)
关键词:
小麦秸秆; 非常规饲料; 产气量; 组合效应
Keywords:
wheat straw; unconventional feeds; gas production; associated effects
分类号:
S816.31
DOI:
10.3969/j.issn.1000-4440.2017.01.027
文献标志码:
A
摘要:
本研究采用体外产气法，研究南方农区小麦秸秆（WS）与非常规饲料喷浆玉米皮（SCB）、大豆皮（SH）、橘子皮（OP）、苹果渣（AP）分别按0∶100、25∶75、50∶50、75∶25、100∶0比例两两组合后的体外产气特性。将采集的山羊瘤胃液与人工唾液混合并加入饲料样品，在产气瓶中恒温厌氧发酵以模拟瘤胃发酵过程。结果表明，小麦秸秆与4种非常规饲料组合后，理论最大产气量（HM）显著增加，产气速率（B）加快，产气延滞时间（Lag）缩短。WS与SCB组合的乙酸丙酸摩尔比显著低于WS的（P<0.05）。小麦秸秆与4种非常规饲料组合后，实现了饲料间营养素的互补，可有效改善小麦秸秆的发酵能力，WS∶SCB为75∶25、WS∶OP为50∶50、WS∶AP为75∶25、WS∶SH为75∶25时正组合效应最佳。小麦秸秆与喷浆玉米皮组合中随着SCB所占比例的增加丙酸摩尔浓度增加，由于丙酸转化为能量的效率高于乙酸，因此丙酸摩尔浓度增加更有利于提高饲料的转化效率，更适合家畜育肥。
Abstract:
This study was conducted using gas production technique in vitro which mixed the rumen fluid with artificial saliva and keeping the feed sample under constant temperature and anaerobic environment to simulate rumen fermentation system. In this way ,we studied the fermentation characteristics of wheat straw (WS) mixed with spraying corn bran (SCB), soybean hulls (SH), orange peel (OP) and apple pomance (AP) at rations of 0∶100, 25∶75, 50∶50, 75∶25 and 100∶0 in vitro. The results showed that the fermentation parameter HM and B of WS in vitro increased significantly and the parameter lag reduced gradually after combining with four unconventional feeds.The A∶P of combination of WS and SCB was lower than WS (P<0.05). The combination of WS and unconventional feeds could improve its fermentation ability effectively due to the mixed complementary effects of nutrition. The best combination ratio of WS with other feeds were WS∶SCB（75∶25）、WS∶OP（50∶50）、WS∶AP（75∶25）、WS∶SH（75∶25） in terms of the gas production associated effects value. The ratio of propionic acid of VFA increased significantly with the increase of proportion of SCB in the combination of WS and SCB, because the propionic acid had the higher energy conversion efficiency than acetic acid, so it should be more suitable for fattening livestock to promote its feed efficiency.

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备注/Memo

备注/Memo:
收稿日期：2016-03-11 基金项目：江苏省农业科技自主创新基金项目[CX(14)2103]；公益性（农业）行业科研专项（201203050-4） 作者简介：涂远璐（1983-），女，江西南昌人，硕士，助理研究员，主要从事家畜营养生态学研究。（E-mail）tuyuanlu1110@126.com；（Tel）13851804073 通讯作者：白云峰，（E-mail）blinkeye@126.com
更新日期/Last Update: 2017-04-12