花生秸秆在福清山羊中的瘤胃降解特性

陈鑫珠; 林雅婷; 黄秀声; 刘景; 庄益芬; 翁伯琦; 黄勤楼; 唐兆秀; 陈炳钿

doi:10.19303/j.issn.1008-0384.2019.11.005

花生秸秆在福清山羊中的瘤胃降解特性

doi: 10.19303/j.issn.1008-0384.2019.11.005

陈鑫珠^{1, 2,},
林雅婷³,
黄秀声⁴,
刘景^1, ,,
庄益芬^3, ,,
翁伯琦⁴,
黄勤楼⁴,
唐兆秀⁵,
陈炳钿^{1, 2}

1.
福建省农业科学院畜牧兽医研究所，福建　福州　350013
2.
福建省新闽科生物科技开发有限公司，福建　福州　350008
3.
福建农林大学动物科学学院，福建　福州　350001
4.
福建省农业科学院农业生态研究所，福建　福州　350013
5.
福建省农业科学院作物研究所，福建　福州　350013

基金项目: 福建省农业科学院青年英才计划项目（YC2016-9）；国家公益性行业（农业）科研专项（201303094-04）；福建省农业科学院项目（AA2018-5）

详细信息

作者简介:
陈鑫珠（1985−），女，博士，副研究员，研究方向：饲料加工与贮藏（E-mail：010622051@163.com）

通讯作者:
刘景（1967−），男，副研究员，研究方向：动物营养与饲料科学（E-mail：184660569@qq.com）

庄益芬（1957−），女，硕士，教授，主要从事饲草加工与贮藏（E-mail：yfzfz@163.com）

中图分类号: S 826
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出版历程
- 收稿日期: 2019-08-30
- 修回日期: 2019-10-24
- 刊出日期: 2019-11-01

Degradation of Peanut Straws in Rumen of Fuqing Goats

1.
Animal Husbandry and Veterinary Medicine Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian　350013, China
2.
Fujian Xinminke Biology Science and TechnologyDevelopment Co., Ltd., Fuzhou, Fujian　350008, China
3.
College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian　350002, China
4.
Agricultural Ecology Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian　350013, China
5.
Crop Research Institute, FujianAcademy of Agricultural Sciences, Fuzhou, Fujian　350013, China

摘要

摘要: 目的探究花生秸秆干物质（DM）、中性洗涤纤维（NDF）和酸性洗涤纤维（ADF）在福清山羊瘤胃内消化降解规律。方法本试验选用3头安装有永久性瘤胃瘘管的福清山羊为试验动物，采用尼龙袋法，对4份不同地区不同季节采集的花生秸秆（花生秸秆1为2016年10月28日收获于清流、花生秸秆2为2017年6月19日收获于清流、花生秸秆3为2017年6月3日收获于福清、花生秸秆4为2017年11月10日收获于清流）样本的干物质（DM）、酸性洗涤纤维（ADF）和中性洗涤纤维（NDF）在各个时间点（4、8、16、24、36、48、72 h）的瘤胃降解率和降解参数进行测定。结果花生秸秆2和花生秸秆4的粗蛋白质含量较高，中性洗涤纤维较低。在福清山羊瘤胃内，4种花生秸秆样本的DM、NDF和ADF在瘤胃内降解趋势类似，均随着降解时间延长呈现上升的趋势，48–72 h花生秸秆DM的降解率达到50%–57%。结论综合评价，在清流10月底和11月初收获的两份花生秸秆的降解率较高，说明福清山羊对秋收花生秸秆消化率较高。
- 花生秸秆 /
- 瘤胃 /
- 降解率 /
- 尼龙袋法
Abstract: Objective Digestion of peanut straws (PSs) collected at different seasons and areas in rumen of Fuqing goats was studied. Method Three Fuqing goats permanently in-planted with ruminal cannula were fed PS collected at different seasons and areas. PS1 was harvest at Qingliu on October 28, 2016, PS2 at Qingliu on June 19, 2017, PS3 at Fuqing on June 3, 2017, and PS4 at Qingliu on November 10, 2017. The in-rumen degradation rates of PS with respect of dried matters (DM), acidic detergent fibers (ADF), and neutral detergent fibers (NDF) in 4, 8, 16, 24, 36, 48 and 72 h were determined by placing the PS samples in Nylon bags. Result PS2 and 4 had higher crude protein but lower NDF than the other specimens. The DM, ADF, and NDF degradation rates of all PSs were similar and increased with time in rumen. In 48–72 h, 50%–57% of DM in PS was degraded. Conclusion PS 1 and 4 were shown to have higher degradation rate in the goat rumen indicating a preference in choosing PS harvested in autumn over the other time in a year.
- peanut straw /
- rumen /
- degradation rate /
- nylon bag method

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表 1 花生秸秆的化学成分

Table 1. Chemical composition of peanut straws

项目 Items	干物质 Dry matter （DM）/%	可溶性碳水化合物 Water soluble-carbohydrate (WSC)/%DM	粗蛋白 Crude protein (CP)/%DM	中性洗涤纤维 Neutral detergent fiber (NDF)/%DM	酸性洗涤纤维 Acid detergent fiber (ADF)/%DM	半纤维素 Hemi-cellulase (HC)/%DM	粗脂肪 Ether extract (EE)/%DM	灰分 Ash/% DM
花生秸秆1 PS1	31.41±0.10 ab	4.21±0.12 b	10.5±1.67 c	60.6±2.76 a	34.9±1.78 c	25.7±1.07 a	1.85±1.07 c	22.34±1.98 a
花生秸秆2 PS2	30.04±0.22 ab	5.55±0.16 a	14.7±1.90 a	46.3±1.59 c	41.7±1.22 b	4.6±1.88 c	2.63±0.96 a	13.42±1.88 c
花生秸秆3 PS3	32.18±0.15 a	3.72±0.09 c	12.5±2.14 b	57.1±2.09 ab	47.9±1.99 a	9.2±1.23 b	2.07±1.01 b	13.47±1.65 c
花生秸秆4 PS4	29.25±0.09 b	4.13±0.11 b	14.8±1.23 a	52.0±2.11 b	40.7±1.86 b	11.3±1.41 b	1.55±1.89 c	18.19±1.06 b
注：同列数据后不同小写字母表示差异显著。 Note: Means with different lowercase letters on a same column are significantly different (P＜0.05).

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表 2 瘤胃内干物质的降解率

Table 2. Degradation rate of dry matters in goat rumen （单位：%）

降解时间 Time of degradation	花生秸秆1 PS1	花生秸秆2 PS2	花生秸秆3 PS3	花生秸秆4 PS4
4 h	5.89±2.46 dB	13.76±0.42 dA	4.88±2.71 eB	2.51±1.11 eC
8 h	25.03±3.91 cA	19.87±0.75 dB	25.33±6.06 dA	15.11±5.51 dB
16 h	42.91±2.33 bcA	43.53±1.76 cA	33.19±2.29 cB	35.63±6.74 cB
24 h	45.59±0.99 b	47.98±4.32 b	47.81±1.17 b	45.43±1.78 b
36 h	42.94±1.16 bc	49.99±2.75 a	46.67±2.85 b	47.15±4.29 b
48 h	51.70±0.66 a	49.87±3.98 a	54.79±1.41 a	53.08±1.22 a
72 h	49.27±1.05 a	50.40±4.31 a	51.08±0.85 a	50.82±2.86 a
注：同列数据后不同小写字母表示不同时间点的降解率差异显著（P＜0.05）；同行数据后不同大写字母表示不同原料的降解率差异显著（P＜0.05）。表3、4同。 Note: Means with different lowercase letters on a same column are significantly different on degradation rate at different sampling times (P<0.05); and those with different uppercase letters on a same row, between different PSs (P<0.05). The same for Tables 3, 4.

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表 3 瘤胃内中性洗涤纤维的降解率

Table 3. Degradation rate of NDF in rumen （单位：%）

降解时间 Time of degradation	花生秸秆1 PS1	花生秸秆2 PS2	花生秸秆3 PS3	花生秸秆4 PS4
4 h	6.04±1.58 dB	10.72±1.19 dA	5.04±1.31 eB	9.58±1.96 dA
8 h	20.82±3.96 cA	13.86±1.03 dB	15.13±3.49 dB	20.00±5.27 cA
16 h	32.42±2.64 bA	31.81±1.35 cA	26.91±3.09 cB	34.86±6.12 bA
24 h	32.37±0.59 bB	35.23±3.78 bB	32.26±1.11 bB	42.79±1.79 bA
36 h	33.57±0.62 bB	37.13±2.72 bB	35.42±3.20 bB	46.65±4.94 abA
48 h	40.56±1.33 aB	38.83±3.83 bB	39.69±1.71 aB	47.17±1.86 aA
72 h	41.43±1.26 aB	42.64±4.75 aB	41.76±1.29 aB	50.94±1.19 aA

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表 4 瘤胃内酸性洗涤纤维的降解率

Table 4. Degradation rate of ADF in rumen （单位：%）

降解时间 Time of degradation	花生秸秆1 PS1	花生秸秆2 PS2	花生秸秆3 PS3	花生秸秆4 PS4
4 h	7.64±1.71 cA	7.91±1.77 eA	3.34±2.40 eB	2.28±4.26 dB
8 h	25.46±5.79 bcA	11.42±2.55 dB	13.75±2.14 dB	15.95±6.93 cB
16 h	28.29±2.76 bAB	25.46±1.17 cAB	22.50±2.78 cB	32.24±9.73 bA
24 h	29.07±2.23 b	27.41±4.53 bc	31.06±2.34 b	33.46±1.59 b
36 h	29.54±0.84 b	30.72±2.77 b	33.18±3.05 b	34.94±2.99 b
48 h	36.46±1.82 a	33.22±4.56 ab	37.15±2.00 a	37.71±1.23 a
72 h	37.02±0.75 a	36.18±8.85 a	38.59±1.66 a	39.70±1.42 a

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