Volume 7, Issue 1 (23 2009)                   sjsph 2009, 7(1): 69-76 | Back to browse issues page


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Mowlavi G, Behdasht Mansoorian A, Mahmoodi M, Pourshojaei R, Salehi M. Identification of freshwater snails in cane-sugar fields in the northern part of Khuzestan Province from a public health perspective. sjsph. 2009; 7 (1) :69-76
URL: http://sjsph.tums.ac.ir/article-1-126-en.html

Abstract:   (11403 Views)

Background and Aim: The role of fresh water snails as the intermediary host in transmitting parasitic infestations in man and animals is well known. In Iran, urinary schistosomisasis is known to be endemic in the Khuzestan Province, south-west of the country. Considering the Egyptian experience concerning the negative effects of Aswan Dam construction on expanding the prevalence of human bilharziasis, the possible role of huge agro-industrial sugar-cane projects on eliminating schistosomiasis in the only known endemic province of Khuzestan in Iran came to our attention. The main objective of this study was to identify the species of fresh water snails in a vast area under cultivation of sugar cane in Khuzestan province, S.W. Iran.

Methods and Materials: Thirty locations (points) under cultivation of sugar-cane in the area were selected for snail collection. In the selected localities there existed drains, canals, ditches, and water stands. Preliminary identification of snails was performed at the time of collection. A more complete taxonomical study was made after the samples were transferred to the laboratory of Dezful Health Research station.

Results: The total number of snails collected was 3825 snails, and seven different species were identified: Physa sp . (29%), Gyraulus sp. (19%), Melanoides sp. (16%), Bellamya sp. (14%), Melanopsis sp. (12%), L. gedrosiana, (7%)L. truncatula(2%). No Bulinus truncatus was seen .

Conclusion: Most of these snails are capable of getting involved in the life cycle of some zoonotic helminth parasites, e.g., Fasciolid and Heterophyd. These findings are encouraging. However, in order to avoid any possible undesirable effects on the public's health, constant monitoring, as well as annual malacological surveys, is essential.

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Type of Study: Research | Subject: General
Published: 2013/08/9

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