TY  - JOUR 
T1  - Reproductive deficiency in bulls from synthetic breeds according to the type of crossbreed and the morphology of the Y chromosome
JO  - Genetics and Molecular Biology
A1  - Horn, Marilise M.
A1  - Moraes, José C.F.
A1  - Jaume, Carlos M.
A1  - Edelweiss, Maria I.A.
A1  - Rosado, Adriano
SN  - 1415-4757
UL  - 10.1590/S1415-47572005000200008
VL  - 28 
Y1  - 2005
PB  - Brasil 
ER  -