Applicability of Ammonia Sensors for Controlling Environmental Parameters in Accommodations for Lamb Fattening
Table 3
Least square mean values for emission time, indoor relative humidity, variables related to ammonia concentration, and residual moisture in the straw bed.
Variables
Temperature (°C)
Probability
25
35
50
SEM
R2ad
value
Emission time (h)
0.270
0.238
1.184
0.226
0.73
0.016
Indoor relative humidity
0.4
0.3
0.1
0.03
0.90
<0.001
Maximum NH3 (ppm)
1.2
1.82
7.2
1.56
0.66
0.016
Average NH3 (ppm)
0.9
1.0
2.5
0.71
0.32
0.131
Total NH3 (ppm)
96.7
96.3
1148.7
61.03
0.98
<0.001
NH3 emission rate (ppm/s)
0.09
0.11
0.17
0.03
0.30
0.175
Moisture (straw bed)
0.27
0.28
0.28
0.00
0.88
0.002
SEM: standard error of the mean. Different superscripts (a, b) denote significant differences .
