Jefo 5020 JEFO Avenue – C.P. 325 , St-Hyacinthe , J2S 7B6 Canada About Solutions products Companies Jefo Products Poultrygrow 250 Poultrygrow 250 0 Share Enzyme Supplement for Poultry Feeds. POULTRYGROW 250™ is an enzyme supplement for poultry feeds. Most popular related searches poultry feed poultry feeding Customer reviews No reviews were found for Poultrygrow 250. Be the first to review! Add your review Publish your review Great! review successfully added!