- radiator
- rail for top wire mesh
- rain blind
- raised system
- raised training slats
- rate of lay
- ready to brood
- ready-to-slaughter
- real-air principle
- rearing
- rearing
- rearing and heavier poultry
- rearing area
- rearing aviary
- rearing battery
- rearing cage
- rearing cage
- rearing centre
- rearing house
- rearing pen
- rearing performance
- rearing phase
- rearing result
- recipe
- recirculating air
- recirculation flap
- recirculation gap
- recirculation unit
- recovery compartment
- rectum
- reference farm
- refinement
- reflection light scanner
- refrigerated air dryer
- regular trough model
- regulating flap
- reinforced feed trough
- reinforcing post
- remaining feed
- remains
- remote release
- reproduction
- reproductive capability
- rescue gap
- reset device
- residue treatment
- residue-free feeding
- respective doses
- respective needs
- respiratory muscles
- respiratory organ
- resting area
- resting area
- restricted feeding
- return side of the circuit
- return to heat
- reversible flow filter
- ribbed tube
- ridge flap
- ring line
- ring sheet
- ringdie press
- ringer
- rinse water tank
- rod
- rod conveyor
- rod conveyor
- roll-out area
- roller
- roller curtain
- rolling-off distance
- roof chimney
- roof duct
- room
- rotary feeder
- roughage
- round auger
- round drinker
- round sieve
- run
- runt