tailieunhanh - Báo cáo khoa học: "Study on Histoplasmosis (Epizootic Lymphangitis) in Cart-Horses in Ethiopia"

Tuyển tập các báo cáo nghiên cứu khoa học quốc tế về bệnh thú y đề tài: Study on Histoplasmosis (Epizootic Lymphangitis) in Cart-Horses in Ethiopia | J. Vet. Sci. 2002 3 2 135-139 JOURNAL OF Veterinary Science Study on Histoplasmosis Epizootic Lymphangitis in Cart-Horses in Ethiopia Gobena Ameni and Fasika Siyoum Institute of Pathobiology Addis Ababa University PO Box 1176 Addis Ababa Ethiopia Faculty of Veterinary Medicine Addis Ababa University PO Box 34 Debre Zeit Ethiopia. Received Feb. 12 2002 Accepted May 29 2002 ABSTRACT A cross-sectional study was conducted to determine the prevalence of Histoplasma farciminosum in 2907 carthorses using clinic al and microbiological examinations at three towns Debre Zeit Mojo and Nazareth Central Ethiopia between December 1999 and January 2001. An overall prevalence of 762 2907 was recorded the highest prevalence being recorded at Mojo whereas the low est was recorded at Nazareth. The difference in prevalence among the three towns was highly significant x2 P . Carthorses found at Mojo OR CI P and Debre Zeit OR CI P were at higher risk of infection than those found at N az areth. The mycelial and yeast form s of the Histoplasma capsulatum variety farciminosum were isolated on the Sabouraud s dextrose agar. The results of the present study show ed the rampant occurrence of histoplasm osis farciminosi at the three tow ns and indicates the need for further nationw ide investigation into the disease to design sound control strategy. Key words phrases Ethiopia carthorse histoplasmosis Histoplasma capsulatum variety farciminosum prevalence Introduction Agriculture is the mainstay of the Ethiopian economy and livest ock pr odu ct ion is an integral part of the country s agr icult ur al syst em. Despite its importance to a lar ge part of the population and the economy at large the su b-sect or has remained untapped Asfaw 1999 . Of the major causes of economic los ses and low productivity of livest ock the pr eva len ce of a lar ge number of diseases in the country is con sider ed to be the major one. Ethiopia .