作者单位:Univ Nacl Autonoma Mexico, Fac Med Vet & Zootecnia, Dept Parasitol, Mexico City 04510, DF, Mexico[1]Univ Autonoma Queretaro, Fac Ciencias Nat, Queretaro 76230, Mexico[2]Univ Nacl Autonoma Mexico, Fac Quim, Dept Farm, Mexico City 04510, DF, Mexico[3]