Diseases of Common Carp Fry in Recirculating Aquaculture Systems (RAS) as an Effect of Direct Transfer from Open Aquaculture Systems
Keywords:
biosecurity principles, common carp (Cyprinus carpio L.), fish diseases, Recirculating Aquaculture SystemsAbstract
In this case study, the high densities of fish in the rearing facility make an easy transfer and multiplication of specific pathogens. The limited space in which the fish are forced to live is itself a factor that overstates adaption mechanisms and can lead to the weakening of resistance to diseases.
The authors presents the main parasitosis of cyprinids registered during the first period in closed recirculating aquaculture system after the transfer from open aquaculture system. These are represented by: spring viraemia of carp, ligulosis, lernaeosis, bothriocephalosis, saprolegniosis during the experimentation period of six weeks in a closed system.
Results of this study shows the relationship between environmental factors and parasitosis development and the characteristics of the diseases registered in urban Recirculating Aquaculture Systems from epidemiology, pathology, etiology and diagnostics points of view.
In conclusion, biosecurity measures must be applied in any kind of aquaculture activity and fish health must be monitored continuously so any treatments to be appropriate and applied as efficiently as possible.
References
Hang, Su, Jianguo, Su, Cyprinid viral diseases and vaccine development, 2018.
Hoole D., Bucke, D., Burgess, P., Wellby, I., Diseases of Carp and Other Cyprinid Fishes, Fishing News Books, Oxford, 2001.
Noga, Edward J., Fish disease Diagnosis and Treatment, Second Edition, A John Wiley & Sons, USA, 2010.
Mocanu (Crețu), M., Research on the development of the rainbow trout growth pattern (Oncorhynchus mykiss, Walbaum 1792) in a recirculating aquaculture system, 2013.
Paperna, I., Diseases caused by parasites in the aquaculture of warm water fish, Annual Rev. of Fish Diseases, 1991, 155–19.
Munteanu, G., Bogatu D., Tratat de ihtiopatologie, Excelsior Art, 2003.
Mataxa, I., Stanciu, S., Vasile, A., Conditions of fish production in the food safety system on the Romanian aquaculture farms by approaching the HACCP principles, Galaţi University Press, 2010, pp 145–147.
Usama Ashraf, Yuanan Lu, Li Lin, Junfa Yuan, Min Wang, Xueqin Liu, Spring viraemia of carp virus: recent advances, Journal of General Virology,2016, 97, 1037-1051
Behrmann–Godel, J., Disease Agents and Parasites of Carp, 2015.
Dăscalescu P., Costea M., Bolile peștilor de acvacultură–metode de diagnostic, tratamente si biosecuritate, Editura Coral Sanivet, 2014.
