TY  - JOUR 
T1  - Variability in the fecal egg count and the parasitic burden of hair sheep after grazing in nematode infected paddocks
JO  - Pesquisa Veterinária Brasileira
A1  - González-Garduño, Roberto
A1  - Mendoza-de Gives, Pedro
A1  - Torres-Hernández, Glafiro
SN  - 0100-736X
UL  - 10.1590/S0100-736X2013000400010
VL  - 33 
Y1  - 2013
PB  - Brasil 
ER  -