| bovine fasciolosis in tabasco, mexico. | to establish seasonal trends in infection and maturity of fasciola hepatica in cattle in relation to macroclimatic factors, 2730 condemned livers were examined from march 1989 to february 1992. livestock came from jalapa, tacotalpa and teapa, all municipalities in tabasco state. flukes were collected monthly and separated into three different maturation stages. mean numbers of flukes collected were determined. the analysis of the maturation stages detected in cattle showed: (a) f. hepatica matur ... | 1999 | 10030754 |