Comparison of Chemical Composition, in Vitro Ruminal Fermentation Characteristics and Energy Values of Maize Stover Derived from Different Planting Locations

LIU Qianglin; ZHANG Yuanqing; BAI Yuansheng; MENG Qingxiang; ZHOU Zhenming; REN Liping; ZHAO Jinwei; GAO Shuwen

doi:10.3969/j.issn.1006-267x.2014.02.027

2014 , Vol. 26 >Issue 2: 496 - 503

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.02.027

Feed Science and Technology

Comparison of Chemical Composition, in Vitro Ruminal Fermentation Characteristics and Energy Values of Maize Stover Derived from Different Planting Locations

LIU Qianglin ,
ZHANG Yuanqing ,
BAI Yuansheng ,
MENG Qingxiang ,
ZHOU Zhenming ,
REN Liping ,
ZHAO Jinwei ,
GAO Shuwen

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1. Stake Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;
2. Institute of Animal Science and Veterinary Medicine, Shanxi Academy of Agricultural Sciences, Taiyuan 030032, China;
3. Shanxi Province Ecology and Livestock Industry Management Station, Taiyuan 030001, China;
4. Beijing Jinwei Furen Halal Food Co., Ltd., Beijing 102611, China;
5. Livestock and Poultry Breeding Workstation of Xinzhou City in Shanxi Province, Xinzhou 034000, China

Received date: 2013-09-22

Online published: 2014-01-27

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Abstract

Using the same maize stover variety derived from five planting locations as test materials, the present study was to compare the differences in their chemical composition, ruminal fermentation characteristics and energy values based on chemical analysis and in vitro rumen gas production (CP) techniques by a single factorial completely randomized experimental design. The maize stover was collected from Daxing district of Beijing (BJ), Wen'an county of Hebei province (HB), Gongzhuling city of Jilin province (JL), Taiyuan city of Shanxi province (SX) and Xuzhou city of Jiangsu province (JS), respectively. The results showed as follows: the highest contents of crude protein (CP), ether extract (EE) and ash in maize stover were 49.0% (P<0.05), 51.5% (P<0.05) and 52.3% (P<0.01) higher than the lowest of those in maize stover, respectively. As for the net 24 h-and 72 h-GP and GP rate (c), the maize stover from BJ was the highest (P<0.01), that from SX was the lowest (P<0.01), and the others were in-between. Compared with maize stover from the other locations, the maize stover from BJ had the lowest both pH (P<0.05) and ammonia concentration (P<0.01), while the highest propionate molar percentage (P<0.05 or P>0.05). The highest organic matter digestibility (OMD), total digestible nutrient (TDN) content, digestible energy (DE), metabolizable energy (ME) and net energy for gain (NE_g) in maize stover were 20.1%, 13.6%, 13.7%, 13.6% and 43.2% higher than the lowest those in maize stover, respectively (P<0.01). In conclusion, chemical composition, GP, ruminal fermentation characteristics (except acetate and iso-butyrate molar ratios), OMD and energy values of maize stover were found to be significantly different among different planting locations. Therefore, it is recommended that when maize stover is used for feeding beef cattle, its chemical composition and energy values are required to actually be determined or estimated.

Key words： planting location; maize stover; chemical composition; rumen fermentation characteristics; gas production; energy value

Cite this article

LIU Qianglin , ZHANG Yuanqing , BAI Yuansheng , MENG Qingxiang , ZHOU Zhenming , REN Liping , ZHAO Jinwei , GAO Shuwen . Comparison of Chemical Composition, in Vitro Ruminal Fermentation Characteristics and Energy Values of Maize Stover Derived from Different Planting Locations[J]. Chinese Journal of Animal Nutrition, 2014 , 26(2) : 496 -503 . DOI: 10.3969/j.issn.1006-267x.2014.02.027

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