Grow-Finish Facilities
"Cargill" unit:
- popular in the '60's
- low capitalization
- partial confinement
- open front lying area
- sloped, solid concrete pad
- passive ventilation
"Nebraska" unit:
- popular in the '70's
- modified open front
- total confinement
- partially slatted (along open south wall), deep pit
- south wall is curtain-sided
- "flop" doors on north wall
- solid concrete floor portion is sloped toward slats
- passive ventilation
"Total Slatted":
- most modern
- total confinement
- slatted flat floors
- forced ventilation (fans)
- fans banked to direct airflow- "tunnel ventilation"
- inlets (at opposite end of building from fans) used to control air velocity
- ventilation system provides high degree of control over environment-->less variation in performance, fewer disease problems
- so high operating costs are justified
Copyright ©1997 by the University of Pennsylvania School of Veterinary
Medicine
Faculty: Dr. Paul Pitcher
Student: Sandra Springer,'99