PHOTO: HENK RISWICK
PHOTO: HENK RISWICK
FARM VISIT ▶▶▶
Snapshot underneath the slatted floor. The prefab elements, in V-shape, have an 8% slope towards the centre. The liquid manure will flow away, the solid part is pulled out.
The 2,200 m3 of urine from the pig house will be further processed on-farm and
spread out at the farm’s own 30 ha of land. 22
▶PIG PROGRESS | Volume 35, No. 6, 2019
Cooperl calculated that building costs of a similar structure as Mr Rouxel’s farm will be € 570 per pig place. A farmer will re- ceive € 45 per pig place in funding from Cooperl and the pig producer will receive € 20 per tonne of the manures thick fraction for a period of 12 years. This thick fraction will be fur- ther processed in a biodigester to produce biomethane. For pig producers, annual costs of this pig farm with ‘Trac’ tech- nology will be similar to conventional pig farms with manure pits underneath. In addition, the system halves ammonia emissions. Dealing with ammonia at the source will lead to better pig perfor- mance. In Cooperl research, feed conversion has been ob- served to drop by 0.2%, which saves about 17kg of feed per finisher pig, between 30 and 115kg. In addition, mortality will drop 1% and health costs also reduce. For a closed farm hav- ing 1,000 sows, Cooperl estimates the health and growth advantage to be over € 200,000 per year. In total, the new pig house will have a capacity of 2,160 pigs and will replace a number of rental facilities with altogether a capacity of 2,000 pigs. The first pigs will enter by June 10, Mr Rouxel explains. That is when the first manure slides will start to operate. Annually, 600 tonnes of thick manure will be transported to Cooperl for fermentation and processing into fertiliser. The 2,200 m3
of urine will be processed on-farm and then applied on the farm’s own fields.
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