Ideally, all-in/all-out requires five farrowing rooms (4-week weaning) and six weaner rooms (weaning to 10 weeks of age). However for medium-sized herds this is expensive because of the extra alley space, doors, walls and separate heating/ventilating systems. Thus three-room farrowing/three room weanling is a compromise, best suited for the medium-sized herd of about 75 sows for which this plan was designed. It retains the all-in/all-out idea but in a simpler and cheaper form.
Three Room Farrowing,
Three Room Weanling Unit Leaflet (Metric and Imperial)
Three Room Farrowing,
Three Room Weanling Unit Plan (Metric)
Three Room Farrowing, Three
Room Weanling Unit Plan (Imperial)
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