HYDROPXRICAru)II'M SYI{DROME (ANGARA DISEASE) IN ...

Tte viruss sharc a 6mnon goup antiscn distncr liom Crotrp ! rkd.iolitu$ (T!bh
rt
EDS 1976 (FI27) is the trinciDal pathogen in 8r@p lU ind is serolosically id.ntial
wi$ the ielatcs lion wlefowl, which @ coNidscd to h. rhc pro3ditore ol EDS 76
Crcup I adenovituss @i be subdivid.d into 12 *otlT* (Tibl.l.4), which.re
cxrensisly disriblrcd arcns @oocrcial chicks FAVI, of\4'ich CELo i! th. ryP.3t in,
is a.tige.i.ally rehted lo QB vitus. The Tipron strin, respoBiblc lor IBH in rh. U.n.d
Sta.es, is cl.$ified $ a Europed erotypc 5 (US seto.ypc 3)
Physicd r.d Ch.oi..l Ch.mctdirti6 oaAvirddoviruB
Thc stuotu.e or cdenovio rcr is *.ll d efined by elecron mico tcope (EM ) Th. virus
prni€lcs .rc icosihcdral .nd nedrc ?4-30 nm in diands Th. 6pson6€! .rc atugcd 'n
tiangular facets qi$ sx crpsmet s along .ich edS. with most pr.par.tioB of EDS tios
individurl spsoncrd 6i, bc difhal o 'caolv€. How.vci, Kan sr al (1979) wq. .bl. rd
dd6nst6le panicles wnh rlTial addovi mQholosJ The fowl .doovirus hav. iwo
fibres poj*rins from .00h vett* *hered EDS lirus has onlv one nbre (Gcld'6lom and
M.ichteldppe. l9s2) virus Plrlicl6
and a$ocialcd irclunoB Q. b. dcmoshied i. the
nrcleus by thin seclion and nutlar inclusioN by haemalaxvlin and @sin (u&E) slai.in8 aid
imouoonuor4enl le{ (IFr)
Ad.noviruss snibn r hig! d.gd ol Gillrn@ to ! sid. mg. of phvsidl dd
chenical igenls: most ar. stable on horinglo 56'C; thhouah someisolaks ri. inaciivaled a1
50 "C (McFem. and Adtn, 197?). Ess dop svndrone (EDS) virus inf@ viry is ddrold
on h.arirg at 56 oC for I ht. (Ad.n sr d/. l9?9) d.61.$ist.nce is.nh.nced in thc Dcs.ne
of monov.lent bul nol ol divrld @tiom The ifl36 arc also rdistrnl lo idcriv.rion bv
o.Eanic solvents, do\acholar., photodyMic itaclivalion $d qr.re of pE thcv "'
m.ximally snblc betwee. pll 6 and 9 (MoF.ran ind Adat, 1977) Iormaldchvde disinf'ction
ir .tr div. in d€totlns rhc infdivity of rvis ddoviG d.n *h.. p'ed in tludv (Ide
l9?9) Since nolyncrisaion to th. inaclive t.raaom.ldehvd.
can occor.t low t'mperdors,