Infection with Dactylogyrus spp. among introduced cyprinid fishes and their geographical distribution in Iran

نویسندگان

  • B. Jalali Department of Aquatic Animal Health and Diseases, Faculty of Specialized Veterinary Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran
  • M. Aghazadeh Meshgi Department of Food Hygiene, Faculty of Specialized Veterinary Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran
  • S. Shamsi Department of Aquatic Animal Health and Diseases, Iranian Fisheries Research Organization, Tehran, Iran
چکیده مقاله:

In the present study, we reported infection with eighteen species of the genus Dactylogyrus, belong to thefamily Dactylogyridae from five breeder fish species, including common carp (Cyprinus carpio), grass carp(Ctenopharyngodon idella), silver carp (Hypophthalmichthys molitrix), big head carp (Hypophthalmichthysnobilis) and black carp (Myelopharyngodon piceus) which introduced and imported to Iranian freshwatersfrom Russia, Romania, Hungary and China over the last 40 years. The infection was also found in Carassiusauratus gibelio, it is not known when this fish species was introduced into the country. The Dactylogyrusspp. were as follows: Dactylogyrus achmerovi, D. anchoratus, D. aristichthys, D. baueri, D. dulikeity, D.ctenopharyngodonis, D. extensus, D. hypophthalmichthys, D. intermedius, D. intermedioides, D. lamellatus,D. magnihamotus, D. nobilis, D. sahuensis, D. suchengtaii, D. taihuensis, D. vastator and D. wegeneri.Among these, D. vastator and D. anchoratus infecting common carp and D. lamellatus infecting grass carpare very harmful and were responsible for high mortalities observed in fry and fingerling production in Iran.Uncontrolled import of live fish into the country can lead to transmission of pathogenic monogeneans orother group of parasites to native fishes, causing a great economical and ecological threat to valuable nativefishes. For example, transmission of D. anchoratus from common carp to Barbus sharpeyi, an importantnative fish species, despite of the high host-specificity of monogeneans, indicates the possibility oftransmission of exotic monogenean parasites to native hosts. It is strongly suggested that the risk ofintroducing exotic pathogens along with importing fish or any other living organism to the country, should beassessed well in advance, in order to protect native species and the ecosystem.

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infection with dactylogyrus spp. among introduced cyprinid fishes and their geographical distribution in iran

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عنوان ژورنال

دوره 10  شماره 1

صفحات  70- 74

تاریخ انتشار 2009-03-20

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