Advancements in Research on Methane Emission Reduction in Ruminant Animals
Methane is an important component of greenhouse gases,and ruminant production is an important source of methane emissions.In recent years,the research of methane emission reduction in ruminants has become a hot topic.How to safely and efficiently reduce ruminant methane emissions is crucial to promoting sustainable and environmentally friendly animal husbandry,and plays an important role in improving feed conversion,reducing environmental pollution and improving ruminant production performance.In order to promote the green development of animal husbandry,the author starts from the elaboration of the methane production mode of ruminants,and adjusts the total food structure(including the proportion of dietary concentrate and crude,feed raw material quality,feed raw material mix,etc.),optimizing feeding management(including improving the feeding environment,changing grazing methods,and processing feed raw materials,etc.),selecting suitable varieties and animals with physiological status(selecting varieties with low methane emission or individuals with physiological status),and utilizing plant secondary metabolites(such as tannins,saponins,and essential oils),microecological preparations(such as yeast,Lactobacillus and Bacillus subtilis),organic acids(such as malic acid,fumaric acid and tannic acid,etc.),inorganic compounds(3-NOP)and algae(algae and microalgae),and the specific effects of various measures in reducing methane emissions were summarized.And seek a more suitable emission reduction plan.Based on the literature review,specific measures and suggestions for methane emission reduction are proposed,hoping to provide a reference for further research in related fields in the future,and also provide reference experience for reducing methane emissions in production.
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