Air Emissions from Swine Buildings in Missouri: Carbon Dioxide Concentration
A. J. Heber, J.-Q. Ni, T.-T. Lim, P.-C. Tao, Purdue University; A. M. Schmidt, University of Missouri
Pig Group 1: August 29 - November 20, '02
250
CO2, Barn 7
CO2, Barn 8
Pig mass, Barn 7
Pig mass, Barn 8
Amb T
6000
180
4000
110
2000
40
0
Concentration, ppm
8/28
-30
9/4
9/11
9/18
9/25
10/2
10/9
10/16
10/23
10/30
11/6
11/13
11/20
Pig Group 1: November 19-25, '02 / Pig Group 2: December 12, '02 - Februery 11, '03
8000
6000
250
CO2, Barn 7
CO2, Barn 8
Amb T
Pig mass, Barn 7
Pig mass, Barn 8
180
4000
110
2000
40
0
11/19
-30
11/26
12/3
12/10
12/17
12/24
12/31
1/7
1/14
1/21
1/28
2/4
2/11
Pig Group 2: Februery 9 - April 10, '03
8000
250
CO2, Barn 7
CO2, Barn 8
Amb T
Pig mass, Barn 7
Pig mass, Barn 8
6000
180
4000
110
2000
40
0
2/10
-30
2/17
2/24
3/3
3/10
3/17
3/24
3/31
4/7
4/14
4/21
4/28
Pig Group 3: May 1 - July 22, '03
8000
250
CO2, Barn 7
CO2, Barn 8
Pig mass, Barn 7
Pig mass, Barn 8
Amb T
6000
180
4000
110
2000
40
0
4/30
Temperature, OC; Number of Animal Units
8000
-30
5/7
5/14
5/21
5/28
Data presented as hourly averages
6/4
6/11
6/18
6/25
7/2
7/9
7/16
7/23
Day of Test (mm/dd)
Data analyzed by P. -C. Tao
Air Emissions from Swine Buildings in Missouri: Ventilation Rates
A. J. Heber, J.-Q. Ni, T.-T. Lim, P.-C. Tao, Purdue University; A. M. Schmidt, University of Missouri
Pig Group 1: August 29 - November 20, '02
40
80
Temperature, Barn 7
Ventilation, Barn 7
Temperature, Barn 8
Ventilation, Barn 8
30
60
20
40
10
20
0
0
9/4
9/11
9/18
9/25
10/2
10/9
10/16
10/23
10/30
11/6
11/13
11/20
Temperature OC
Pig Group 1: November 19-25, '02 / Pig Group 2: December 12, '02 - Februery 11, '03
40
30
80
Temperature, Barn 7
Temperature, Barn 8
Ventilation, Barn 7
Ventilation, Barn 8
60
20
40
10
20
0
11/19
0
11/26
12/3
12/10
12/17
12/24
12/31
1/7
1/14
1/21
1/28
2/4
2/11
Pig Group 2: Februery 9 - April 10, '03
40
80
Temperature, Barn 7
Temperature, Barn 8
Ventilation, Barn 7
Ventilation, Barn 8
30
60
20
40
10
20
0
2/10
Ventilation Rate, m3/s
8/28
0
2/17
2/24
3/3
3/10
3/17
3/24
3/31
4/7
4/14
4/21
4/28
Pig Group 3: May 1 - July 22, '03
40
80
Temperature, Barn 7
Temperature, Barn 8
Ventilation, Barn 7
Ventilation, Barn 8
30
60
20
40
10
20
0
4/30
0
5/7
5/14
5/21
5/28
Data presented as hourly averages
6/4
6/11
6/18
6/25
7/2
7/9
7/16
7/23
Day of Test (mm/dd)
Data analyzed by P. C. Tao