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Articles by M.R. Youssefi
Total Records ( 3 ) for M.R. Youssefi
  B. Esfandiari , M.R. Youssefi , S.P. Ziapour , S.M. Hosseini Fard , M. Abouhosseini and M. Alipour Espeh-Kolaie
  Hydatidosis is one of the important zoonosis diseases. It has worldwide distribution and causes severe economic and hygienic damages to medical and veterinary industries. Human beings are infected with oral transmission of Echinococcus granulosus eggs. Considering the importance and damages caused by hydatid cysts, this study was conducted to evaluate hydatid cyst surgeries in Mazandaran Province. This was a cross-sectional study performed during seven years from 2001-2007. About 132 surgeries in this period of time, 73 subjects (55.3%) were female and 59 (44.7%) were male. Forty-seven (35.6%) of operated hydatid cysts were dissected from lung and 85 (64.4%) were from liver, indicating significant difference between two groups (p<0.01).
  M.R. Youssefi , M. Keighobadi and M.Y. Asnaashari
  Ticks are features which are apart of metastigmata order. All of these features are parasite of animals which only feed on them. Ticks and disease related, causes economical damages which in some case these damages reaches to million dollars each year. Because of the importance of recognition ticks, particularly Ixodidae, this research has been done on Ixodidae ticks on domestic animals at Kelardasht in Mazandaran Northern Iran. The used method in this research it was cross-section and this ticks were studied on, were collected during 5 month (May to September 2004) from 150 sheep and cattle. From 980 collected samples, 798 numbers of them departed in genus and species and the rest were eliminated. In this study 6 groups species. In Ixodes the only observed species was ricinus, in Boophilus only anulatus species, in Dermacentor only marginatus was identified. But in Haemaphisalis two different species were observed punktata and inermis. In Hyalloma and Ripicephalus bursa was observed. In these study samples the most percentages was seen in Ixodes (26.8 %) and the minimum was in Haemaphisalis (0.2%).
  M.R. Youssefi , S.A.A. Sefidgar and S. Ghaffari
  Abstract: This study is carried-out with the aim of determining the prevalence rate of toxoplasmosis in sheep at Babol (Bandpei part). In this study, 285 sheep of Bandpei area in Babol was selected. The samples studied with indirect immunofluorescence antibody. The results showed that 31.2% of sheep in this study were affected by toxoplasmosis. In positive cases, there was not any statistically significant difference between male and female sheep. The most positive cases observed by 1:200 titer. According to the researches in other parts of this country, the prevalence rate in this area is more than the others.
 
 
 
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