RUMINANT AND HERBIVORE NUTRITION AND FEED

Comparison of Nutrient Composition and in Vitro Fermentation Characteristics of Straws in Tibet

  • BAO Yuhong ,
  • LI Jinyang ,
  • Pubuzhuoma ,
  • LUO Zeng ,
  • CAN Muyou
Expand
  • 1. State Key Laboratory of Germplasm Resources and Genetic Improvement of Tibetan Barley and Yak, TAR Academy of Agricultural and Animal Husbandry Sciences, Lhasa 850000, China;
    2. Institute of Grass Science, TAR Academy of Agricultural and Animal Husbandry Sciences, Lhasa 850000, China;
    3. Institute of Ensiling and Processing of Grass, College of Prataculture Science, Nanjing Agricultural University, Nanjing 210095, China

Received date: 2021-02-10

  Online published: 2021-09-18

Supported by

 

Abstract

The purpose of this experiment was to compare the nutrient composition and in vitro fermentation characteristics of straws in Tibet. This study collected Vicia sativa, Pisum sativum, Melilotusdentatus, Medicago sativa and Xuesha five kinds of legume straw and corn, hullessbarley, oilseed rape, wheat and oats, such as 12 kinds of gramineae straw, respectively, from different locations in Tibet, and analyzed nutrient components of the crude protein (CP), ether extract (EE), ash and fibre components, and in vitro fermentation characteristics. The results showed that Medicago sativa straw of Shannan had the highest CP content (24.6%) among 5 legume straws and the CP content (12.10%) of black hullessbarley straws from Shannan was the highest among 12 gramineous straws. The EE contents of Pisum sativum and Xuesha straw were significantly higher than those of the other 3 legume straws (P<0.05), while the EE and Ash contents of oilseed rape straw from Nyingchi were the highest; Vicia sativa had the highest neutral detergent fiber (NDF), acid detergent fiber (ADF) and acid detergent lignin (ADL) contents, while Pisum sativum had the lowest ADF content; aquifoliaceae straw from Nyingchi had the highest NDF and ADF contents, which was significantly higher than that of other straws (P<0.05). The oat straw from Nyingchi had the highest ADL content, which was significantly higher than that of other straws (P<0.05). Among the 5 leguminous straws, the content of total volatile fat acids (TVFA) in the rumen fluid of Vicia sativa and Pisum sativum was the highest, while that of hullessbarley from Nyingchi was the highest among 12 gramineous straws. The gas production after 48 h in vitro fermentation of Medicago sativa, Pisum sativum and Melilotusdentatus were significantly higher than that of other legume straws (P<0.05), and oat straws from Nyingchi had significantly higher gas production than those of other gramineous straws (P<0.05). Thus, there are significant differences in nutrient composition and in vitro fermentation characteristics among legume straws and gramineous straws from different Tibet regions. The Medicago sativa from Shannan shows the highest nutritional value among 5 legume straws and the nutritional value of hullessbarley and oat straw from Nyingchi are better than that of other gramineous straws.

Cite this article

BAO Yuhong , LI Jinyang , Pubuzhuoma , LUO Zeng , CAN Muyou . Comparison of Nutrient Composition and in Vitro Fermentation Characteristics of Straws in Tibet[J]. Chinese Journal of Animal Nutrition, 2021 , 33(9) : 4980 -4988 . DOI: 10.3969/j.issn.1006-267x.2021.09.018

References

[1] 巴桑珠扎,陈亮,奥斯曼,等.西藏地区不同作物秸秆体外发酵特性研究[J].动物营养学报,2017,29(2):719-728. BA S Z Z,CHEN L,AO S M,et al.Study on in vitro fermentation characteristics of different crop straws in Tibet region[J].Chinese Journal of Animal Nutrition,2017,29(2):719-728.(in Chinese)
[2] 原现军,余成群,李志华,等.添加青稞酒糟对西藏地区青稞秸秆和高羊茅混合青贮发酵品质的影响[J].草业学报,2012,21(2):92-98. YUAN X J,YU C Q,LI Z H,et al.Effect of adding wet hulless barley distiller' grains on fermentation quality of mixed ensilage of hulless barley straw and tall fescue in Tibet[J].Acta Prataculturae Sinica,2012,21(2):92-98.(in Chinese)
[3] 赵庆杰,原现军,郭刚,等.添加糖蜜和乳酸菌制剂对西藏青稞秸秆和多年生黑麦草混合青贮发酵品质的影响[J].草业学报,2014,23(4):100-106. ZHAO Q J,YUAN X J,GUO G,et al.Effect of adding an inoculant and molasses on fermentation quality of mixed silage of hull-lessbarley straw and perennial ryegrass in Tibet[J].Acta Prataculturae Sinica,2014,23(4):100-106.(in Chinese)
[4] 李君风,孙肖慧,原现军,等.添加乙酸对西藏燕麦和紫花苜蓿混合青贮发酵品质和有氧稳定性的影响[J].草业学报,2014,23(5):271-278. LI J F,SUN X H,YUAN X J,et al.Effect of adding acetic acid on fermentation quality and aerobic stability of mixed oat and alfalfa silage in Tibet[J].Acta Prataculturae Sinica,2014,23(5):271-278.(in Chinese)
[5] 秦彧,李晓忠,姜文清,等.西藏主要作物与牧草营养成分及其营养类型研究[J].草业学报,2010,19(5):122-129. QIN Y,LI X Z,JIANG W Q,et al.An investigation of nutrition components and types in Tibet main crop straws and pastures[J].Acta Prataculturae Sinica,2010,19(5):122-129.(in Chinese)
[6] 徐世晓,赵新全,孙平,等.青藏高原不同海拔高度对禾本科牧草体外消化率的影响[J].草地学报,2002,10(2):124-127. XU S X,ZHAO X Q,SUN P,et al.Altitude impact on vitro digestibility of gramineous herbage grown in Tibetan plateau[J].Acta Agrestia sinica,2002,10(2):124-127.(in Chinese)
[7] VAN SOEST P J.ROBERTSON J B,LEWIS B A.Methods for dietary fiber,neutral detergent fiber,andnonstarch polysaccharides in relation to animal nutrition[J].Journal of Dairy Science,1991,74(10):3583-3597.  
[8] 张丽英.饲料分析及饲料质量检测技术[M].北京:中国农业大学出版社,2003. ZHANG L Y.Feed analysis and quality test technology[M].Beijing:China Agricultural University Press,2003.(in Chinese)
[9] MENKE K H,STEINGASS H.Estimation of the energetic feed value obtained from chemical analysis and in vitro gas production using rumen fluid[J].Animal Research and Development,1988,28:7-55.
[10] MENKE K H,RAAB L,SALEWSKI A,et al.The estimation of the digestibility and metabolizable energy content of ruminant feedingstuffs from the gas production when they are incubated with rumen liquor in vitro[J].The Journal of Agricultural Science,1979,93(1):217-222.  
[11] HALMEMIES-BEAUCHET-FILLEAU A,RINNE M,LAMMINEN M,et al.Review:alternative and novel feeds for ruminants:nutritivevalue,product quality and environmental aspects[J].Animal,2018,12(S2):S295-S309.
[12] KI K S,PARK S B,LIM D H,et al.Evaluation of the nutritional value of locally produced forage in Korea using chemical analysis and in vitro ruminal fermentation[J].Asian-Australasian Journal of Animal Sciences,2017,30(3):355-362.
[13] 贾存辉,钱文熙,吐尔逊阿依·赛买提,等.粗饲料营养价值指数及评定方法[J].草业科学,2017,34(2):415-427. JIA C H,QIAN W X,SAMAT T,et al.Roughage nutritional value evaluation indices and research methods[J].Pratacultural Science,2017,34(2):415-427.(in Chinese)
[14] 吕佳颖,王二旦,郝阳毅,等.奶牛非饲草来源纤维营养研究进展[J].动物营养学报,2021,33(1):33-45. LV J Y,WANG E D,HAO Y Y,et al.Research progress of nutrition of non-forage fiber sources on dairy cows[J].Chinese Journal of Animal Nutrition,2021,33(1):33-45.(in Chinese)
[15] 艾丹,郭春华,徐亚欧,等.四川阿坝县不同地区与不同海拔秋季牧草营养成分分析[J].草业科学,2011,28(8):1529-1532. AI D,GUO C H,XU Y O,et al.Determination and analysis of fall forage nutrient contents at different altitudes and regions in Aba county,Sichuan province[J].Pratacultural Science,2011,28(8):1529-1532.(in Chinese)
[16] COOK D E,COMBS D K,DOANE P H,et al.The effects on digestibility and ruminal measures of chemically treated corn stover as a partial replacement for grain in dairy diets[J].Journal of Dairy Science,2016,99(8):6342-6351.  
[17] DHANOA M S,LOPEZ S,DIJKSTRA J,et al.Estimating the extent of degradation of ruminant feeds from a description of their gas production profiles observed in vitro:comparison of models[J].The British Journal of Nutrition,2000,83(2):131-142.  
[18] GETACHEW G,CROVETTO G M,FONDEVILA M,et al.Laboratory variation of 24 h in vitro gas production and estimated metabolizable energy values of ruminant feeds[J].Animal Feed Science and Technology,2002,102(1/4):169-180.
[19] KRAUSE K M,OETZEL G R.Understanding and preventing subacute ruminal acidosis in dairy herds:a review[J].Animal Feed Science and Technology,2006,126(3/4):215-236.
[20] WANAPAT M,PIMPA O.Effect of ruminal NH3-N levels on ruminal fermentation,purinederivatives,digestibility and rice straw intake in swamp buffaloes[J].Asian-Australasian Journal of Animal Sciences,1999,12(6):904-907.  
[21] ARGYLE J L,BALDWIN R L.Effects of amino acids and peptides on rumen microbial growth yields[J].Journal of Dairy Science,1989,72(8):2017-2027.  
Outlines

/