TY - SER AU - Valença,R.M.B. AU - Silva Junior,V.A. AU - Araújo,L.P.C. AU - Reis,J.C. AU - Guerra,M.M.P. AU - Soares,P.C. AU - Costa,A.N. TI - Morphometry and histomorphometry of the testis in crossbred pigs fed diets with different protein levels KW - SUÍNO KW - PROTEÍNA KW - DIETA KW - TESTICULO KW - ESPERMA ER -