Muaj ntau yam uas cuam tshuam cov feeders xaiv. Thiab cov xwm txheej tuaj yeem sib cais rau cov hom phiaj thiab cov xwm txheej. Rau lub hom phiaj tseem ceeb, xws li 1. dab tsi yuav tsum tau pub rau lub feeder (lub hnab yas, ntawv, daim ntawv lo, thawv thawv, phaib, cim npe thiab lwm yam khoom tiaj tus). 2. Cov neeg xav li cas...
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