反刍与草食动物营养与饲料 RUMINANT AND HERBIVORE NUTRITION AND FEED

新尼龙袋使用前瘤胃浸泡处理对饲料瘤胃降解特性的影响

  • 李森 ,
  • 王雨菲 ,
  • 党世彬 ,
  • 荆林娜 ,
  • 莫放 ,
  • 张微
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  • 中国农业大学动物科学技术学院, 动物营养学国家重点实验室, 北京 100193
李森(1993-),女,河北石家庄人,硕士研究生,从事动物营养与饲料科学研究。E-mail:1257577500@qq.com

收稿日期: 2020-06-29

  网络出版日期: 2021-01-18

基金资助

现代农业产业技术体系建设专项资金(CARS-39)

Effects of Rumen Soaking Treatment on Rumen Degradation Characteristics of Feedstuffs before Using New Nylon Bags

  • LI Sen ,
  • WANG Yufei ,
  • DANG Shibin ,
  • JING Linna ,
  • MO Fang ,
  • ZHANG Wei
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  • State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China

Received date: 2020-06-29

  Online published: 2021-01-18

摘要

本试验旨在研究瘤胃尼龙袋法中新尼龙袋使用前瘤胃浸泡处理对饲料瘤胃降解特性的影响。以8只装有永久性瘤胃瘘管的云南半细毛羊公羊为试验动物,随机分为2组(每组4只),分别采用预浸泡的尼龙袋(试验组)和未浸泡的尼龙袋(对照组)对玉米、豆粕、麦秸、黑麦干草4种常用饲料干物质(DM)和粗蛋白质(CP)的瘤胃降解特性进行研究。结果显示:试验组玉米、豆粕DM和CP的有效降解率低于对照组,但差异均不显著(P>0.05);试验组麦秸DM的有效降解率低于对照组,差异不显著(P>0.05),CP的有效降解率显著高于对照组(P<0.05);试验组黑麦干草DM的有效降解率低于对照组,CP的有效降解率高于对照组,但差异均不显著(P>0.05)。基于本试验结果,若新尼龙袋只使用1次,那么使用前不必在瘤胃中浸泡。

本文引用格式

李森 , 王雨菲 , 党世彬 , 荆林娜 , 莫放 , 张微 . 新尼龙袋使用前瘤胃浸泡处理对饲料瘤胃降解特性的影响[J]. 动物营养学报, 2021 , 33(1) : 428 -435 . DOI: 10.3969/j.issn.1006-267x.2021.01.043

Abstract

The purpose of this experiment was to investigate the effect of rumen soaking treatment on the rumen degradation characteristics of feedstuffs before using new nylon bags in the rumen nylon bag method. Eight Yunnan semi-fine wool sheep that had been fitted with permanent ruminal cannula were randomly allocated to 2 groups, and each group had 4 sheep. The rumen degradation characteristics of dry matter (DM) and crude protein (CP) of corn, soybean meal, wheat straw and rye hay were studied by pre-soaking nylon bags (test group) and untreated nylon bags (control group), respectively. The results showed that the effective degradabilities of DM and CP of corn, soybean meal in the test group were lower than those in the control group, but the differences were not significant (P>0.05). For wheat straw, the effective degradability of DM in the test group was lower than that in the control group, with no significant difference (P>0.05), the effective degradability of CP was significantly higher than that in the control group (P<0.05). For rye hay, the effective degradability of DM in test group was lower than that in control group, the effective degradability of CP was higher than that in the control group, both with no significant difference (P>0.05). Based on the results of this experiment, if the new nylon bag is used only once, it is not necessary to soak in the rumen before use.

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