猪舍环境气载微生物监测

doi:10.11843/j.issn.0366-6964.2014.10.015

Abstract

Abstract:

In order to evaluate the hygiene quality of different swine houses，air samples from five swine farms was collected using ANDERSEN-6 and the AGI-30 (All Glass Impinger，AGI)，and microbial concentration and air constituents of the breeding environment were measured.The results showed that swine airborne aerobic content ranged from 0.466×10⁴ to 2.585×10⁴ CFU•m^－3 air，airborne anaerobic content ranged from 0.060×10⁴ to 2.025×10⁴ CFU•m^－3 air，airborne fungal content ranged from 0.265×10³ to 1.490×10³ CFU•m^－3 air，the airborne endotoxin content ranged from 0.114×10³ to 0.533×10³ EU•m^－3 air，airborne gram-negative bacteria content ranged from 0.014×10³to 0.840×10³CFU•m^－3 air，and on average only 0.30% to 3.2% of the total number of culturable aerobic bacteria were identified as gram-negative bacteria.In the airborne gram-negative bacterial flora the following bacterial families dominated：the Enterobacteriaceae，the Pseudomonadaceae and Morexella.Within the family of the Enterobacteriaceae the species Escherichia coli，Enterobacter agglomerans and Klebsiella were predominant.Stenotrophomonas maltophilia is primary in airborne genus Pseudomonas; only Moraxella osloensis detected in each pig farm environment.In addition，Acinetobacter and Rhizobium were only strains isolated from farm C and D.The results of this study will provide more information about microbial content and composition of the breeding environment and lay the foundation for environmental quality assessment，which is significant and instructive for environment hygiene control.

CLC Number:

S852.6

LI Chao，HAO Hai-yu，SUN Ling-yu，CHAI Tong-jie，WANG Hai-rong. Airborne Microbiological of Swine Houses Monitoring[J]. ACTA VETERINARIA ET ZOOTECHNICA SINICA, 2014, 45(10): 1684-1692.

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Airborne Microbiological of Swine Houses Monitoring

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