Eliminating the microbial contamination of earthborne pathogenic diseases

Soil is the home base of microbial life in nature, most of the soil microorganisms are an indispensable and beneficial part of the ecosystem, but there are also a considerable number of soil micro-organisms can cause livestock, human disease and even fatalPathogen microorganisms in the soil mainly come from household waste containing a large number of pathogens and parasites, domestic sewage, untreated animal and poultry manure, hospital sewage, industrial waste and river water contaminated with pathogensespecially contaminated irrigation can often cause soil pollutionDomestic sewage and industrial wastewater, containing nitrogen, phosphorus, potassium and many other plants need nutrients, so the rational use of sewage to irrigate farmland, generally have the effect of increasing productionHowever, a large amount of sewage is not treated and directly poured into the environment, so that some irrigation areas in the soil of toxic and harmful substances, pathogenic microorganisms and parasites have a clear accumulationaccording to incomplete investigation, the country's contaminated arable land is about 150 million mu, of which 32.5 million mu of sewage irrigation contaminated farmlandIndustrial solid waste or household waste, human and animal waste, human and animal waste and animal carcasses killed by infectious diseases are piled up and landfilled on the soil, or as farmland fertilizer, due to leaching penetration, where harmful substances and pathogens will also enter the soil, infect crops, and through soil media in the vertical and horizontal migration and spread, pollution of aquifers and groundwater, and thus infect the human bodyTherefore, the remaining pathogens in livestock and poultry excreta are likely to endanger human safetyIn order to control the pathogenic bacteria of infectious diseases in livestock and poultry in the soil, the traditional method is to use chemical disinfectants and antibiotics for disinfection and control, which brings serious pollution to the soil, affects the vegetation and microbial community of the soil, makes a large number of microorganisms resistant, increases the difficulty of further prevention and control, resulting in the outbreak of infectious diseases in livestock and poultry more and more frequentlyCompared with chemical disinfectants and antibiotics, microbial preparations have the advantages of non-toxic side effects, no residual contamination and non-resistance, and have broad prospects for development and applicationmicrobial agents to control soil infectious pathogenic microorganisms in the following advantages: can regulate the structure of soil microbial community, foster normal communities;microbiological agents are mainly lactic acid bacteria, Bacillus buds, yeast and so onDemystifying mycobacteria, dried bud cytobacteria, lichen bud bacillus and short bud mycobacteria, etc., acid-, alkali-resistant, high-temperature, easy to save, good stabilityThey can produce organic acids, conducive to the growth and reproduction of the dominant flora such as lactic acid bacteria, maintain micro-ecological balance, but also produce antibacterial substances, inhibit the growth of pathogens, so it is one of the main strains used in microbial preparationsthere is less research on soil environmental pollution and the prevention and control of pathogenic bacteria in microbial preparation farms, but because the contamination of pathogenic microorganisms in livestock and poultry poses a great threat to animal and human health, screening can improve the soil environment of livestock and poultry breeding, harmless pro-bio-bacteria, make non-polluting, non-resistant, can inhibit soil pathogenic bacteria compound microbial preparations, replace commonly used chemical disinfectants and antibiotics, and replace commonly used chemical disinfectants and antibiotics