Applicability of Ammonia Sensors for Controlling Environmental Parameters in Accommodations for Lamb Fattening

Table 2

Correlations between the sheep urine ammonia emission variables.

Variables		TTGE (h)	Indoor temp (°C)	Indoor relative humidity	NH3 maximum	NH3 average	NH3 sum	NH3 emission rate (ppm/s)
TTGE (h)	R	1	0.534	−0.679	0.723	0.003	0.995	−0.001
	P		0.138	0.044	0.028	0.995	<0.001	0.999
Indoor temperature (°C)	R		1	−0.950	0.860	0.693	0.607	0.691
	P			<0.001	0.003	0.038	0.083	0.039
Indoor relative humidity	R			1	−0.864	−0.561	−0.738	−0.558
	P				0.003	0.116	0.023	0.119
Maximum NH3	R				1	0.686	0.786	0.683
	P					0.041	0.012	0.042
Average NH3	R					1	0.100	1.000
	P						0.797	<0.001
Total NH3	R						1	0.097
	P							0.804
NH3 emission rate (ppm/s)	R							1
	P

R: Pearson product–moment correlation coefficient; : value.