Santiago, A.L.S., Carvalho, L.E., Bastos, F.J.S., Espíndola, G.B. and Kronka, R.N. 2008. <b>Effects of different requeriment of crude protein on the performance zootecnic an bioeconomical for piglets 21 to 42 days old</b&gt; - DOI: 10.4025/actascianimsci.v26i3.1817. Acta Scientiarum. Animal Sciences. 26, 3 (Apr. 2008), 367-371. DOI:https://doi.org/10.4025/actascianimsci.v26i3.1817.