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The effect of a diet based on rice straw co-fermented with probiotics and enzymes versus a fresh corn Stover-based diet on the rumen bacterial community and metabolites of beef cattle.
Sci Rep. 2020 Jul 01; 10(1):10721.SR

Abstract

Improvement of the food value of rice straw is urgently required in rice crop growing areas to mitigate pollution caused by rice straw burning and enhance the supply of high-quality forages for ruminants. The aims of the present study were to compare the effects of fresh corn Stover and rice straw co-fermented with probiotics and enzymes on rumen fermentation and establish the feasibility of increasing the rice straw content in ruminant diets and, by extension, reducing air pollution caused by burning rice straw. Twenty Simmental hybrid beef cattle were randomly allotted to two groups with ten cattle per group. They were fed diets based either on rice straw co-fermented with probiotics and enzymes or fresh corn Stover for 90 days. Rumen fluid was sampled with an esophageal tube vacuum pump device from each animal on the mornings of days 30, 60, and 90. Bacterial diversity was evaluated by sequencing the V4-V5 region of the 16S rRNA gene. Metabolomes were analyzed by gas chromatography/time-of-flight mass spectrometry (GC-TOF/MS). Compared to cattle fed fresh corn Stover, those fed rice straw co-fermented with probiotics and enzymes had higher (P < 0.05) levels of acetic acid and propionate in rumen liquid at d 60 and d 90 respectively, higher (P < 0.05) abundances of the phyla Bacteroidetes and Fibrobacteres and the genera Ruminococcus, Saccharofermentans, Pseudobutyrivibrio, Treponema, Lachnoclostridium, and Ruminobacter, and higher (P < 0.05) concentrations of metabolites involved in metabolisms of amino acid, carbohydrate, and cofactors and vitamins. Relative to fresh corn Stover, rice straw co-fermented with probiotics and enzymes resulted in higher VFA concentrations, numbers of complex carbohydrate-decomposing and H2-utilizing bacteria, and feed energy conversion efficiency in the rumen.

Authors+Show Affiliations

Jiangxi Province Key Laboratory of Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang, China.Jiangxi Province Key Laboratory of Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang, China.Jiangxi Province Key Laboratory of Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang, China.Yichun Institute of Agriculture Science in Jiangxi Province, Yichun, China.Jiangxi Province Key Laboratory of Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang, China.Jiangxi Province Key Laboratory of Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang, China.Yichun Institute of Agricultural Varieties, Yichun, China.Jiangxi Province Key Laboratory of Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang, China.Yichun Institute of Agriculture Science in Jiangxi Province, Yichun, China.Jiangxi Province Key Laboratory of Animal Nutrition/Engineering Research Center of Feed Development, Jiangxi Agricultural University, Nanchang, China. lw20030508@163.com.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32612135

Citation

Hu, Yongqiang, et al. "The Effect of a Diet Based On Rice Straw Co-fermented With Probiotics and Enzymes Versus a Fresh Corn Stover-based Diet On the Rumen Bacterial Community and Metabolites of Beef Cattle." Scientific Reports, vol. 10, no. 1, 2020, p. 10721.
Hu Y, He Y, Gao S, et al. The effect of a diet based on rice straw co-fermented with probiotics and enzymes versus a fresh corn Stover-based diet on the rumen bacterial community and metabolites of beef cattle. Sci Rep. 2020;10(1):10721.
Hu, Y., He, Y., Gao, S., Liao, Z., Lai, T., Zhou, H., Chen, Q., Li, L., Gao, H., & Lu, W. (2020). The effect of a diet based on rice straw co-fermented with probiotics and enzymes versus a fresh corn Stover-based diet on the rumen bacterial community and metabolites of beef cattle. Scientific Reports, 10(1), 10721. https://doi.org/10.1038/s41598-020-67716-w
Hu Y, et al. The Effect of a Diet Based On Rice Straw Co-fermented With Probiotics and Enzymes Versus a Fresh Corn Stover-based Diet On the Rumen Bacterial Community and Metabolites of Beef Cattle. Sci Rep. 2020 Jul 1;10(1):10721. PubMed PMID: 32612135.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The effect of a diet based on rice straw co-fermented with probiotics and enzymes versus a fresh corn Stover-based diet on the rumen bacterial community and metabolites of beef cattle. AU - Hu,Yongqiang, AU - He,Yuyong, AU - Gao,Shan, AU - Liao,Zhiqiang, AU - Lai,Tao, AU - Zhou,Haimei, AU - Chen,Qianlin, AU - Li,Lingyu, AU - Gao,Haijun, AU - Lu,Wei, Y1 - 2020/07/01/ PY - 2019/10/09/received PY - 2020/06/10/accepted PY - 2020/7/3/entrez PY - 2020/7/3/pubmed PY - 2020/7/3/medline SP - 10721 EP - 10721 JF - Scientific reports JO - Sci Rep VL - 10 IS - 1 N2 - Improvement of the food value of rice straw is urgently required in rice crop growing areas to mitigate pollution caused by rice straw burning and enhance the supply of high-quality forages for ruminants. The aims of the present study were to compare the effects of fresh corn Stover and rice straw co-fermented with probiotics and enzymes on rumen fermentation and establish the feasibility of increasing the rice straw content in ruminant diets and, by extension, reducing air pollution caused by burning rice straw. Twenty Simmental hybrid beef cattle were randomly allotted to two groups with ten cattle per group. They were fed diets based either on rice straw co-fermented with probiotics and enzymes or fresh corn Stover for 90 days. Rumen fluid was sampled with an esophageal tube vacuum pump device from each animal on the mornings of days 30, 60, and 90. Bacterial diversity was evaluated by sequencing the V4-V5 region of the 16S rRNA gene. Metabolomes were analyzed by gas chromatography/time-of-flight mass spectrometry (GC-TOF/MS). Compared to cattle fed fresh corn Stover, those fed rice straw co-fermented with probiotics and enzymes had higher (P < 0.05) levels of acetic acid and propionate in rumen liquid at d 60 and d 90 respectively, higher (P < 0.05) abundances of the phyla Bacteroidetes and Fibrobacteres and the genera Ruminococcus, Saccharofermentans, Pseudobutyrivibrio, Treponema, Lachnoclostridium, and Ruminobacter, and higher (P < 0.05) concentrations of metabolites involved in metabolisms of amino acid, carbohydrate, and cofactors and vitamins. Relative to fresh corn Stover, rice straw co-fermented with probiotics and enzymes resulted in higher VFA concentrations, numbers of complex carbohydrate-decomposing and H2-utilizing bacteria, and feed energy conversion efficiency in the rumen. SN - 2045-2322 UR - https://www.unboundmedicine.com/medline/citation/32612135/The_effect_of_a_diet_based_on_rice_straw_co-fermented_with_probiotics_and_enzymes_versus_a_fresh_corn_Stover-based_diet_on_the_rumen_bacterial_community_and_metabolites of_beef_cattle L2 - http://dx.doi.org/10.1038/s41598-020-67716-w DB - PRIME DP - Unbound Medicine ER -
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