TY  - JOUR 
T1  - Estimation of productive efficiency in ewes from the natural grasslands of Southern Brazil: A pilot approach
JO  - Ciência Animal Brasileira
A1  - Amarilho-Silveira, Fernando
SN  - 1809-6891
UL  - 10.1590/1809-6891v26e-81645E
VL  - 26 
Y1  - 2025
PB  - Brasil 
ER  -