Seasonal changes in airborne fungi and bacteria at a dairy cattle concentrated animal feeding operation in the southwest United States

Carla S. Alvarado, Angelina Gandara, Carissa Flores, Hernando R. Perez, Christopher F. Green, William W. Hurd, Shawn G Gibbs

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The objective of this study was to evaluate a dairy located in the arid southwest United States to determine the concentrations and seasonal variation of airborne fungi and bacteria and to determine the percentage of antibiotic resistant Stayhykcacais aureus. The authors used two-stage ambient air sampling systems to measure the culturable airborne fungal organisms and bacteria on a monthly basis. The authors recovered the most fungal, bacterial, and 5. aureus organisms during the spring months. The most common fungi identified were Cloaosporium, Aspergillus, and Stmpbylium, which were most common in the spring and least common in the summer. 5. aureus made up 4.2% to 5.5% of the total bacteria, and greater than 50% of this bacteria were found to be resistant to ampicillin, penicillin, or cefaclor, with the greatest incidence of antibiotic resistance occuring in the fall. The incidence of 5. aureus resistant to at least two antibiotics ranged from 14% in the spring to 54% in the fall.

Original languageEnglish (US)
Pages (from-to)40-44
Number of pages5
JournalJournal of Environmental Health
Volume71
Issue number9
StatePublished - May 1 2009

Fingerprint

cattle
Fungi
fungus
Bacteria
bacterium
animal
antibiotics
Cefaclor
Anti-Bacterial Agents
air sampling
antibiotic resistance
Incidence
Aspergillus
Ampicillin
Microbial Drug Resistance
Penicillins
ambient air
seasonal variation
Air
summer

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Management, Monitoring, Policy and Law
  • Health, Toxicology and Mutagenesis

Cite this

Alvarado, C. S., Gandara, A., Flores, C., Perez, H. R., Green, C. F., Hurd, W. W., & Gibbs, S. G. (2009). Seasonal changes in airborne fungi and bacteria at a dairy cattle concentrated animal feeding operation in the southwest United States. Journal of Environmental Health, 71(9), 40-44.

Seasonal changes in airborne fungi and bacteria at a dairy cattle concentrated animal feeding operation in the southwest United States. / Alvarado, Carla S.; Gandara, Angelina; Flores, Carissa; Perez, Hernando R.; Green, Christopher F.; Hurd, William W.; Gibbs, Shawn G.

In: Journal of Environmental Health, Vol. 71, No. 9, 01.05.2009, p. 40-44.

Research output: Contribution to journalArticle

Alvarado, CS, Gandara, A, Flores, C, Perez, HR, Green, CF, Hurd, WW & Gibbs, SG 2009, 'Seasonal changes in airborne fungi and bacteria at a dairy cattle concentrated animal feeding operation in the southwest United States', Journal of Environmental Health, vol. 71, no. 9, pp. 40-44.
Alvarado, Carla S. ; Gandara, Angelina ; Flores, Carissa ; Perez, Hernando R. ; Green, Christopher F. ; Hurd, William W. ; Gibbs, Shawn G. / Seasonal changes in airborne fungi and bacteria at a dairy cattle concentrated animal feeding operation in the southwest United States. In: Journal of Environmental Health. 2009 ; Vol. 71, No. 9. pp. 40-44.
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