Before revision: Four systems of snail farms can be distinguished: Outdoor pens In buildings with a controlled climate In closed systems such as plastic tunnel houses or "greenhouses" In addition, snails may breed and hatch inside in a controlled environment and then (after 6 to 8 weeks) may be placed in outside pens to mature.
After revision: Four systems of snail farms can be distinguished: Outdoor pens In buildings with a controlled climate In closed systems such as plastic tunnel houses or "greenhouses" A hybrid system where snails may breed and hatch side in a controlled environment and then (after 6 to 8 weeks) may be placed in outside pens to mature.