RESUMO
To observe the therapeutic effect of Nitazoxanide(NTZ) on dogs infected with Giardia canis trophozoites.Eight dogs were infected with Giardia canis trophozoites and divided into four groups rondomly,G1:2 dogs treated with Nitazoxanide at a single dose of 1 mg/kg body weight;G2:2 dogs treated with NTZ at a single dose of 2 mg/kg;G3:2 dogs treated with NTZ at a single dose of 41 mg/kg;G4:2 dogs treated without drugs as control.All groups were examined for Giardia canis cysts by Zinc Sulfate Flotation.Each group was subjected to collect stool per day and counted cysts.The results of G2 and G3 were negative after 1th day.G1 were negative after 4th days.The results indicated that NTZ at a dose of 2 mg/kg and 4 mg/kg in dogs had a faourable effect on the dogs infected with Giardia canis.
RESUMO
The histological changes in tibial lengthening with metaphyseal osteotomy were observed in 30 goats.It was found that (1) slow lengthening rate of 1 mm/day could enable the tissues to adapt the mechanical traction,and consequently the limitation of elongation could be increased;(2) the new bone formed in the lengthened region might be the result of a combined osteogenesis from endochondral,intramembranous,and fibrous tissue ossification;and (3)the osteogenetic process could be distinguished into 3 stages of hemorrhage and organization of the hematocele,callus formaton,and remodelling of the new bones.