STUDY ON SOME EPIDEMIOLOGICAL CHARACTERISTICS OF FASCIOLOSIS IN BUFFALOES IN HA GIANG PROVINCE AND ITS TREATMENT MEDICINE

Abstract

Some epidemiological characteristics of fasciolosis were studied in the buffalo herds in Ha Giang province and applied its treatment medicine, the results showed that: Buffaloes feeding in Ha Giang province infected with F. giganticaspecie. The prevalence of fasciolosis in buffaloes was  55.33% through the necropsy and the fecal examination via was 52.73%, the prevalence vacillated from 50.84% to 54.58%. The prevalence and infection intensity increased in accordance with age. The highest prevalence of fasciolosis was in the Summer(63.38%), followed by the Autumn (59.55%), the Winter(42.39%) and the lowest was in the Spring (40.88%). Buffaloes in Ha Giang province mainly feed in the free and semi-grazing method, therefore, the prevalence of fasciolosis was highest in the free grazing method (63.92%), followed by those in the semi-grazing method (54.44%) and the lowest was in the intensive method (27.85%). The deworming effectiveness of albendazol, nitroxinil – 25 medicine, with a dosis of 10 mg per kg B.W.and  triclabendazole medicine, with a dosis of 12 mg per kg B.W.was 100% in the buffalo herds; all the three medicines  were safe to buffaloes.