Epizootic Ulcerative Syndrome (EUS) Technical Handbook

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Epizootic Ulcerative Syndrome (EUS) Technical HandbookTable 1 Species susceptible to EUS (or MG † or RSD ‡ ) as indicated by thepresence of typical mycotic granulomas in histological section or isolation ofpathogenic Aphanomyces from muscle or internal organs (numbers correspondwith references given below; *denotes artificial challenge)φΨThe two genera Channa and Ophicephalus were united as Channa byMyers and Shapovalov (1931, cited by Clark, 1991)Ornamental fish imported from SingaporeCOUNTRY KEY: Jap = Japan; Aus = Australia; Ino = Indonesia; Tha = Thailand;Lao = Lao PDR; Mya = Myanmar; Phi = Philippines; Ban = Bangladesh; Ind =India; Pak = Pakistan; Sco = ScotlandREFERENCE KEY:1 Callinan et al. (1995b)2 Callinan (unpublished)3 Catap (pers. comm.)4 Chinabut et al. (1995)5 Chinabut (unpublished)6 Chowdhury & Chinabut (pers. comm.)7 DFID (1998)8 Fraser et al. (1992)9 Ahmed & Hoque (submitted)10 Hanjavanit et al. (1997)11 Hatai (1994)12 Kanchanakhan (1996a)13 Khan (pers. comm.)14 Lilley and Roberts (1997)15 Miyazaki (1994)16 Mohan and Shankar (1995)17 Pearce (1990)18 Reantaso (1991); S. Chinabut (unpublished)19 Roberts et al. (1989)20 Thompson et al. (in press)21 Vishwanath et al. (1997)22 Vishwanath et al. (1998)23 Viswanath et al. (1997)10
Species AffectedTable 1 Species susceptible to EUS (or MG † or RSD ‡ )Latin name (common name) Jap † Aus ‡ Ino Tha Lao Mya Phi Ban Ind Pak ScoAcanthopagrus australis (yellowfin bream) 8Anabas testudineus (climbing perch) 18Bidyanus bidyanus (silver perch) 2Carassius auratus (crucian carp) 15Carassius carassius auratus (gold fish) 15Channa maculata (=Ophicephalus maculatus) (Formosan snakehead) 15Channa marulia (=Ophicephalus marulius) (river murrel - India) 5Channa micropeltes (=Ophicephalus micropeltes) (red snakehead) 5Channa pleurophthalmus (=Ophicephalus pleurophthalmus) (snakehead) 10 φChanna punctata (=Ophicephalus punctatus) (mud murrel - India) 14 12Channa sp. (=Ophicephalus sp.) (snakehead) 19 21,22Channa striata (=Ophicephalus striatus) (striped snakehead) 4*,14 5 5 1 16Catla catla (catla) 6,9Cirrhina mrigala (mrigal) 9,13,19 7Clarias batrachus (walking catfish) 1Clarias gariepinus (African catfish) 2*Colisa lalia (dwarf gourami) 11 ψEpinephelus sp. (grouper) 23Esomus sp. (flying barb) 21,22Etroplus sp. (chromide) 21,22Fluta alba (swamp eel) 5Glossogobius giurus (bar-eyed goby) 1 9Glossogobius sp. (goby) 21,22Heteropneustes fossilis (stinging catfish) 21Johnius sp. (croaker fish) 18Labeo rohita (rohu) 9,14,19Lepomis macrochirus (bluegill) 15Liza diadema (mullet) 17Macquaria ambigua (golden perch) 2Mastacembelus armatus (armed spiny eel) 5Mastacembelus pancalus (guchi - Bangladeshi) 5Mugil cephalus (grey mullet) 15 8 1 1611
Page 3 and 4: Epizootic Ulcerative Syndrome(EUS)T
Page 5 and 6: Copies of this publication are avai
Page 7 and 8: This handbook is one of a series of
Page 9 and 10: ContentsIntroduction ..............
Page 11 and 12: IntroductionEpizootic ulcerative sy
Page 13 and 14: HistoryFor over 25 years, outbreaks
Page 15 and 16: HistoryAlthough there were reports
Page 17 and 18: HistoryShresta, 1994). It is estima
Page 19: Species affectedMore than 100 fish
Page 23 and 24: Socio-economicsThe most severe impa
Page 25 and 26: Public healthPrior to the initial E
Page 27 and 28: AetiologyDiseased fish, particularl
Page 29 and 30: AetiologyFigure 2 SporulatingAphano
Page 31 and 32: AetiologyInvolvement of other sapro
Page 33 and 34: Aetiologysnakehead fry died when ch
Page 35 and 36: Environmental FactorsCurrent findin
Page 37 and 38: Environmental FactorsSite character
Page 39 and 40: DiagnosisCorrect diagnosis of EUS i
Page 41 and 42: DiagnosisDiseased striped snakehead
Page 43 and 44: EpidemiologyEpidemiology is the stu
Page 45 and 46: EpidemiologyACID excessSULFATE RAIN
Page 47 and 48: Control of EUSNow that research on
Page 49 and 50: Control of EUSSurveillanceIt is imp
Page 51 and 52: Epizootic Ulcerative Syndrome (EUS)
Page 53 and 54: Epizootic Ulcerative Syndrome (EUS)
Page 55 and 56: Annex 1 - Isolation of Aphanomycesi
Page 57 and 58: Annex 2 - Count method for Aphanomy
Page 63 and 64: Annex 3 - Maintenance of Aphanomyce
Page 65 and 66: Annex 4 - Inducing sporulation inAp
Page 67 and 68: Annex 5 - Identification of saprole
Page 69 and 70: Annex 6 - Isolation of virusesThe i
Page 71 and 72:
Annex 7 - Investigation of EUS outb
Page 73 and 74:
Investigationof EUS outbreakspatter
Page 75 and 76:
Investigationof EUS outbreaksthat s
Page 77 and 78:
Annex 8 - EUS Sampling DatasheetsTo
Page 79 and 80:
EUS Sampling DatasheetsEUS SAMPLING
Page 81 and 82:
Annex 9 - Procedure for samplingfis
Page 83 and 84:
AbbreviationsAAHRI - Aquatic Animal
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Glossaryachlyoid:acinar necrosis:ae
Page 87 and 88:
Glossarylymphoid:melanomacrophagece
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ReferencesAAHRI, ACIAR, IoA and NAC
Page 91 and 92:
ReferencesCallinan, R.B., Paclibare
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ReferencesFrerichs, G.N., Millar, S
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ReferencesLilley, J.H. and Frerichs
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ReferencesNoga, E.J., Wright, J.F.,
Page 99 and 100:
ReferencesRodgers, L.J. and Burke,
Page 101 and 102:
ReferencesViswanath, T.S., Mohan, C
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Epizootic Ulcerative Syndrome (EUS) Technical Handbook

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