Gonçalves, L.M.P. Kiefer, C. Silva, C.M. Leal, C.R.B. Alencar, S.A. da S. Carvalho, K.C.N. Rufino, L.M. Propolis extract in the diet of weaned piglets Subjects--Topical Terms: LEITÃODIETAPRÓPOLISEXTRATO VEGETALPERFORMANCE