Exposure to chemical pollutants and biological aerosol in indoor facilities for recreational and sport horses

BMC Veterinary Research

Table 1 Concentrations of inorganic pollutants in the air of the riding halls and stables at each site (mg/m³; N = 12)

Pollutant		Ammonia (mg/m³)	Hydrogen sulfide (mg/m³)	Nitrates (mg/m³)	Nitrites (mg/m³)	Chlorides (mg/m³)	Sulphates (mg/m³)
Site A	Stable	3.63 ± 2.45a	17.26 ± 1.33a	0.47 ± 0.05a	0.13 ± 0.05a	0.43 ± 0.33	0.4 ± 0.22c
Site A	Riding hall	0.16 ± 0.04a	26.08 ± 1.1a	0.13 ± 0.04	0.13 ± 0.04	0.16 ± 0.04	0.16 ± 0.04
Site B	Stable	16.37 ± 1.99b	32.24 ± 2.96b	0.53 ± 0.05ab	0.17 ± 0.05ab	0.5 ± 0.29	0.63 ± 0.25
Site B	Riding hall	0.37 ± 0.05b	60.07 ± 2.36b	0.17 ± 0.05	0.13 ± 0.05	0.17 ± 0.05	0.14 ± 0.05
Site C	Stable	22.39 ± 3.26c	33.87 ± 1.3bc	0.57 ± 0.05b	0.23 ± 0.05b	0.17 ± 0.05	0.57 ± 0.05a
Site C	Riding hall	0.43 ± 0.12bc	31.78 ± 1.76c	0.20 ± 0.08	0.13 ± 0.05	0.13 ± 0.05	0.13 ± 0.05
SEM	Stables	2.46	2.32	0.02	0.02	0.08	0.06
SEM	Riding halls	0.04	4.51	0.02	0.01	0.01	0.01
p-value	Stables	p < 0.001	p < 0.001	p < 0.05	p < 0.05	ns	ns
p-value	Riding halls	p < 0.01	p < 0.001	ns	ns	ns	ns

M ± SD, SEM – standard error of the mean, a, b, c – values with different letters are significantly different at p < 0.05, ns – not significant; N- number of samples; test ANOVA was used for all trials

ISSN: 1746-6148