TY  - JOUR 
T1  - Estimation models of variance components for farrowing interval in swine
JO  - Brazilian Archives of Biology and Technology
A1  - Cavalcante Neto, Aderbal
A1  - Lui, Jeffrey Frederico
A1  - Sarmento, José Lindenberg Rocha
A1  - Ribeiro, Maria Norma
A1  - Monteiro, José Mauro Costa
A1  - Fonseca, Carlos
A1  - Tonhati, Humberto
SN  - 1516-8913
UL  - 10.1590/S1516-89132009000100009
VL  - 52 
Y1  - 2009
PB  - Brasil 
ER  -