Research progress of estrogen contamination characteristics and control techniques in livestock and poultry manure
The reported structure,properties,species and contents,migration characteristics,and control techniques of six estrogens in livestock and poultry manures were summarized in this paper.The concentrations of estrogens in different species and growth stages animal manures were compared.It was found that factors such as animal types,fecal characteristics and physiological states led to great variation of estrogens,which should be targeted conducted according to the pollution characteristics of different estrogens.Furthermore,the detection of different types of estrogens in the surrounding environment of livestock and poultry farms had reported by a large number of literatures,indicating that estrogens had the risk of environmental migration,and it was urgent to establish the risk assessment system to ensure ecological safety and human health.Finally,the control techniques of estrogen in livestock and poultry manure included aerobic compost,advanced oxidation and microbial degradation.Many estrogen-degrading strains had been isolated and applied from different environments,while estrogen-degrading functional bacterial consortiums and immobilized bacterial agents had more application potential in coping with different environmental pressures and resisting pollutant stress.The interaction mechanism between bacterial consortiums and estrogen-degrading mechanism still need to be further explored and researched in the future.
livestock and poultry manureestrogenpollution characteristicscontrol techniquesestrogen-degrading functional bacteria
万方数据
维普
