Calling All Fans of Good Ventilation - Fernando Gomez, PIC, from the 2020 Iowa Pork Congress, held January 22 - 23, 2020, Des Moines, IA, USA.

1. ©Pig Improvement Company. | 1
Enjoying the IA Winter….
The New York Times Picture

2. January 2019
PIC WF Technical Services Team
(Fernando Gomez MSc.)
Three Basics in Ventilation
• Ventilation Goal Definition
• Ventilation Tool Use
• Troubleshooting Procedures

3. January 2020
3 Key Ventilation Tips
in 10 minutes
PIC WF Technical Services Team
(Fernando Gomez MSc.)

4. 4
Tip 1
Know Your
Ventilation System

5. 5
Temperature Curve – Bandwidth-Off Set/Differential
Heather/Fan/Cooling Pad Operation by Stages
Minimum Ventilation Calculations
Air Speed/Humidity: Goals/Measures
Calculations of:
• Inlet Capacity
• Inlet/Curtain Opening
• CFM/Pig Curve
Cost/Benefit of
Ventilation Settings
Ventilation Knowledge Levels
Basic
Expert

6. Ventilation Curve Definition
6
• Electricity Cost
• Propane Cost
• ADG
• FCR
• Health
Expert

7. Ventilation Curve Definition
7
Same Inlet Air Speed??
Inlet Opening by Stage??

8. Ventilation Curve Definition
8

9. Ventilation Curve Definition
Turn off 1@36 In “transition phase”

10. 10
Tip 2
Check Your
Ventilation Targets

11. 11
Cooling Pad: 300 à 400 FPM
Tunnel Curtain: 600 à 700 FPM
Ceiling Inlets: 400 à 1,000 FPM
Every Day…….. Every Barn……..
This is Part of Daily Job
Wall Inlets: 800 à 900 FPM
Ammonia < 20 ppm
Hydrogen Sulfite < 5 ppm
Carbon Dioxide < 3,000 ppm
Carbon Monoxide < 30 ppm

12. 12
Tip 3
Apply Your Knowledge

13. Applying the Knowledge
Same room design. Adjustments after fan power and infiltration were solved
13
Opening 0.8”@6-24”fans
Room 1
750-800FPM
Company
Goal
Opening 0.5”@6-24”fans
Room 2
750-800FPM
Adjustments
to Keep
the Goal Opening 0.5”@6-24”fans
Room 3 500-600FPM
Adjustments Keeping
Ventilation Principles
“Be Closed”
600 FPM
1,000 FPM
400 FPM

14. 14
Apply
your
Know
ledge
Three Key Ventilation Tips that
Pig Producer Must Have Clear
Measureyour targetsKnow
your
Vent. System

15. ©Pig Improvement Company. | 15
Thanks