@inproceedings{inproceedings4d13a491,
title   = {Welfare evaluation by image analysis of laying hens in different breeding systems and environmental conditions},
author = {Barbosa Filho, José Antonio Delfino and Silva, Iran José Oliveira da and Silva, Marco Aurélio Neves da},
year = {2008},
publisher = {CIGR/SBEA},
booktitle   = {CIGR International Conference of Agricultural Engineering}
}