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Hollow bricks for pig beds: pigs avoid rheumatism and grow fatter and stronger
At present, pig production in China is mainly small-scale or free-range, and pig-raising conditions are relatively poor. In northern China, temperatures from December to February of the following year are very low, only a few pig houses have heating, and the vast majority have low indoor temperatures, with pigs lying directly on concrete floors that are both damp and cold, causing a high incidence of rheumatism in pigs (such as lameness and paralysis), which affects weight gain speed and feed conversion rate. In particular, paralysis in farrowing sows leads to culling, causing great losses. In recent years, the author has used the method of laying hollow bricks as pig beds to prevent rheumatism in pigs, with excellent results. By September