Generation of Airborne Particles from Different Bedding Materials Used for Horse Keeping

Fleming, Kathrin; Hessel, Engel F.; Weghe, Herman F.A. Van den

doi:10.1016/j.jevs.2008.05.004

Cited by 43 publications

(52 citation statements)

References 17 publications

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“…Some materials are dustier than others and the capability to reduce ammonia varies a lot (Fleming et al, 2008a(Fleming et al, , 2008bAiraksinen et al, 2005). We have gained some experience by evaluating two bedding materials: peat and pelleted pine sawdust.…”

Section: Bedding Materials and Influence On Air Qualitymentioning

confidence: 99%

“…Even the methods used to routinely clean the stable, irrespective of bedding or feed type, can have a substantial influence on the stable air quality. It is advisable to carry out work when there are no horses in the stables because activities in the stable (feeding, mucking out, and sweeping) cause increased levels of ammonia and airborne particle concentrations (Fleming et al, 2008a(Fleming et al, , 2008bSadegh et al, 2009). However, while common sense would suggest that daily cleaning and replacement of bedding, or at least daily removal of manure, would minimize accumulation of undesirable stable organic and gaseous materials, this may not be the case.…”

mentioning

confidence: 99%

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Air Quality in Horse Stables

Elfman¹,

Wålinder²,

Riihimäki³

et al. 2011

Chemistry, Emission Control, Radioactive Pollution and Indoor Air Quality

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Section: Bedding Materials and Influence On Air Qualitymentioning

confidence: 99%

mentioning

confidence: 99%

Air Quality in Horse Stables

Elfman¹,

Wålinder²,

Riihimäki³

et al. 2011

Chemistry, Emission Control, Radioactive Pollution and Indoor Air Quality

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“…Airborne dust in horse stables contains high concentrations of bacterial endotoxin, molds, mite debris, plant debris, and inorganic dust . Both stable workers and horses are exposed to high concentrations of these airborne irritants, which can have negative health effects .…”

Section: Introductionmentioning

confidence: 99%

“…Thoracic particles will pass through the nose and throat, reaching the lungs (nominally ≤10 µm diameter). Respirable dust particles (nominally ≤4 μm diameter) can penetrate the airways beyond the terminal bronchioles into the lower airways causing inflammation and irritation . For horses, the exact size of particles that can enter the gas‐exchange area of the lungs is currently not known.…”

Section: Introductionmentioning

confidence: 99%

Effect of ionization, bedding, and feeding on air quality in a horse stable

Siegers

Anthonisse

Eerdenburg

et al. 2018

Veterinary Internal Medicne

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BackgroundOrganic dust is associated with Equine asthma. Ionization should reduce airborne dust levels.ObjectivesTo determine the effect of ionization of air, type of bedding, and feed on the levels of airborne dust, endotoxin, and fungal colonies in horse stables.Animals24 healthy University‐owned horses occupied the stables.MethodsA randomized controlled cross‐over study. Four units with 6 stables were equipped with an ionization installation (25 VA, 5000 Volt Direct Current). Horses were kept either on wood shavings and fed haylage (2 units), or on straw and fed dry hay (2 units). Measurements were performed with and without activated ionization, during daytime and nighttime, repeatedly over the course of a week and repeatedly during 4‐6 weeks. Statistical analysis was performed using a mixed effect model with Akaike's Information Criterion for model reduction and 95% profile (log) likelihood confidence intervals (CI).ResultsIonization did not alter concentrations of dust, endotoxin, or fungi, fewer. In the units with straw and hay, the concentration of dust, endotoxin, and fungi (difference in logarithmic mean 1.92 (95%CI 1.71‐2.12); 2.86 (95%CI 2.59‐3.14); 1.75 (95%CI 1.13‐2.36)) were significantly higher compared to wood shavings and haylage.Conclusions and Clinical ImportanceThe installation of a negative air‐ionizer in the horse stable did not reduce concentrations of dust, endotoxin, and viable fungal spores. The substantial effect of low dust bedding and feed is confirmed.

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“…Clements and Pirie [6] found that feed had a greater influence on mean and maximum respirable dust concentration than bedding. Apart from the direct effect airborne dust has on the respiratory system, these particles might act as a carrier conveying toxic contaminants and biological contaminating agents such as microorganisms [7]. In stables, for identification of microbial community being found on airborne particles, most often culture techniques are applied [4].…”

Section: Introductionmentioning

confidence: 99%

Microbiological characterization of stable resuspended dust

Kováts

Horváth

Jancsek-Turóczi

et al. 2015

Int J Occup Med Environ Health

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Objectives: Air quality in the stables is characterized by elevated level of dust and aeroallergens which are supposed to directly cause or exacerbate several respiratory disorders. The most often recognized problem is recurrent airway obstruction (RAO), previously known as chronic obstructive pulmonary disease (COPD). There is some indication that aeroallergens (among them endotoxins) may also cause inflammation in human airways and may exceed safe levels in stables. Monitoring studies have covered mainly the determination of the concentration of respirable particles and of culturable fungi and their toxins. However, these particles do not only directly affect the respiratory system, but might act as a carrier conveying toxic contaminants and biological agents such as bacteria. In a typical, 20-horse Hungarian stable, microbial community of respirable fraction of resuspended dust has been characterized to reveal if these particles convey hazardous pathogenic bacteria, posing risk to either horses or staff. Material and Methods: Resuspended dust was sampled using a mobile instrument. The instrument contains a PARTISOL-FRM model 2000 sampler that was operated at a flow rate of 16.7 l/min and a cyclone separator which collected the particulate matter with an aerodynamic size between 1 μm and 10 μm (PM 1-10 ) fraction. Microbial taxa were identified by culture-independent next generation sequencing (NGS) of variable 16S ribosomal ribonucleic acid (rRNA) gene regions. Results: In total, 1491 different taxa were identified, of them 384 were identified to species level, 961 to genus level. The sample was dominated by common ubiquitous soil and organic material-dwelling taxa. Conclusions: Pathogens occurred at low abundance, and were represented by mostly facultative human pathogens, with the prevalence of Staphylococcus species.

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Generation of Airborne Particles from Different Bedding Materials Used for Horse Keeping

Cited by 43 publications

References 17 publications

Air Quality in Horse Stables

Air Quality in Horse Stables

Effect of ionization, bedding, and feeding on air quality in a horse stable

Microbiological characterization of stable resuspended dust

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