OCTOBER - DECEMBER 1998 - Central Institute of Brackishwater ...

Volume 3. No. 4 OCTOBER - DECEMBER 1998
I CENTRAL INSTITUTE OF BRACKISHWATER AQUACULTURE. CHENNAI I
\
mNnm
R~earch tI~ghltghts
SUCC~SS~U~ pw-out cutm ot LIMA
hetchm prdtccd fq oaf whacs,
Inrrs mlcanfir In a farmer's pnndc
tlnnm
of m ~d crabs
imttlation of 1 iper shrimp
__-L..___
urslatorur
-- ..;--. ..'-
ccquIrvtrtun rra
mp
reed for sesh a fw
status of Ind inn
VlrUS
Monttonng of hldrtonnl .shrunp
fnrmlnp tn poklrnlt ficld'i
Vtq~tors
Fnpapemcnlc
1
1
I
1 rmininp
I \RS I:wemia
: imff News
Promotion
\ -
&fled by Shn M KATHIRML. >
Shn S SRINIVASAGAM d
Dr (Sml ) MUNAWAR SULTANA,
seolor Saeflt1sts
PrrMnhed by Dr G R M RAO,
Ihreaor.
ClBA. c-34
Central lnsttmte of Brack~shwater
Aquaculture,
101 -8. Mahaltnpapum Matn Road.
\ Chmna~ - 6 0034
J
RESEARCH HIGHLIGHTS
SUCCESSFUL GROW-OUT CULTURE OF ClRA
HATCHERY-PRODUCED FRY OF SEARASS, 1~ rK7
CAI,('AIUb'I.:I< IN A FARMER'S PONDS AT NAGAPATINAM
Ihc hdthmaph ~ch~cvcd tn UIC sed
pdoction of mhnss, lorrs ralmnfir. hv
CIHA in July 11W7 for Ulc fin1 t~mc In
ItKita, les opened up new visks for qmies
dtvasificntion in constnl nq~mcult~trr
'niooph .w~hnss IS cultitrcd along WIUI ciUtcr
spectn of shr~nip and fidi und~r
cdt11n. svstems In some pans of Indm.
informatton on pmwtl~ rate, pnducl~nt
pohtttnl ck ruc Iskr~~ In order lo
evnlut~tc U I Iccht~n-oco~lo~r~~c
~
fi%~h~lttv of'
seohts% culture ustnp sc~cnl~lic rncuutgcmcnl
tcchn~ques. CII1A I~ntcIt~~y- pdtrud sed
of w~hct~s WLTC reared 111 a pn)gressIve fid~
fcmer's pnndv nt Pnpkoil natr
Nctpopat~wm 111 'Tnmil Ndo unde7 Ute
t~~hnlcnl p~~~dnncc of Uie lnst~tulc
Ahout 01% s~trvival of fry (25 &ys
old) was achreved dwnp hnn~nation tn
two spells (2000 and IO.0M) nos.) fmm
CIRA, Munnkadu to Napaptininam (3%)
kms) hv mncl 111 12 hotus, ~lnder oxyRen
pckinp t 50-220 nos.A~trc or wnter.
Ntimcr~ rcarit~p wm carried out in
balms (4 ni x 2 111) cr> 250 noa.lc~~hic metre
tr~d~t~o~el for 28 days Fry war I'd on a dtet
consid~np of NIIIPIII of UIC hrine shnmp
(Arrrmia), cpp cudnrd. hoiled md mtnccd
tidl malt (cul lihrt~tm) for tlie first I0 dnva
and cxcloatvclv wttl~ fish ntenl o~awarils
(irftdmg (nmovul of sltookw) of fry wits
done once 111 3 &ys. 'l'lte survival role wns
02 X allcs 28 dnys of ~NIIIW and the fy
nttnincd nti avcraec wciphr of 1.25 g
(how-out renrtnp of m h a war ~ done
m two ponds. pond I (0.4 ltu) and pond 2
( 1. I ha), numher of fishes stocked m each
~mtd Wnp I020 and 861 1 ~spxlively. In
Harvest of seaban (Lafes cdcar~fer) from the lamer's pond

Mrs & Mr R Rap DemsenapaMy, be pogressve Ash farmers hobng the harvested seabass
k pond I, tho fihn were fed with fresh 2 to a Imcr cx3nl. lola1 quantity p~ven
hqh fi& for the fint four months while hei* 1272 kg
dunnp UK lifl)~ and mxth months it m a ~)u,i~ the culture pcrid, din,
plvnl in comhinatlon with colnpo~mdal thc pnfs ranged h ~ r l I to 26 ppl ptl
I'd (a mixture of ground nd oil cnke, rice ranged from 7 4 lo R 0 and di.iwlval
h n and *arch) hying ncvclrth to oxvgcn Icvels nwrdcd wae ahove 4 ppm
elcventh months. dry fish was aln oddal 'The fishes in the pond 1 ufue harvetcd
wth the leal A total of 9692 kg 01 lcd anm I I months of culturc. The nvenipc
war ptvm, compwnp of 1rcQ trash liuh wc1pl11 01 lis11 wus Wh.5 p wiUl o ranpc of
5 189 kg. pmund nut o~l cake 397 kg. #larch
[
210 kg nnd rrcc hnm 19 kg In the pond 2.
UIC fiuha were allowal to id on hmge
) liqh bh Tilapi. mnnduccd into .e pnxi
pnor to ntocL~ng of' scnhur~ 811pplma1lnn
leal ar mentlo~lalrhove was ptvcn In plwl
517 lo 12(KI p A lotnl of' 1744 kg of fish
wrrc harvwtal from pond I Ihe numhcr of'
fxhes movercd were I X43
The nvcrape sue of lid1 111 pond 2 at
harvevl was 740 g uUl n we~ght range ol'
XK) to I S(MI p A IOI~II of 4,030 kg 0s fi.&
Transpat of l~ve F.1 genwabon of seabass by water hnker lwry Dr A R Thrunavukkarasu.
Senlot Smbst (exbeme left). Shn R Raja Darl~enapathy, Ute pogesslve MI fame (thrrd ban
left) and Shn Vasanlha Kumar Charles Technical Assstant (ex- rqht]
were hwaird afta 11 months nxrkg. The
number 01 fshes recovd wac 5446.
To develop a broodstock of F-I
gemation. a few of the pw-out mad
fishes (twenty nos.) Wac t r w to
Munukadu and maintainad m the Institute's
fish hatchcry.
Economlc waluatbn of seabass
culture in a farmer's ponds
Poodl Pond2
(0.4 ha) (I.l ha)
A Opsntiaul Rs. Rs.
Expenditure
Pondpepmlion 2.000 4.000
Seed 8.000 2.250
Transport d seed 1.200 1,200
Nursery rearm9 970 3,000
Feed 90.750 11.836
Law 10,000 10.000
Eleetcclty & fuel 8.000 25.000
Removal of algae 2.600
Harvest 2.400 5,000
Total 125.920 62.286
B. lmome
Sale of hams&
fish 1.44.634 2.37.000
C. ProM
0.A
Actual 18,714 1.74.714
Per ha 46.785 1,58.831
This is the f i s~lccnsfi~l raring of
ClHA halchq- ralscd secd of seahaw 111 a
hmckidrwater gmw-out system. lhe res1111s
of tlw prcrrtlt study arc a hose-lme
gu~druse tbr futlue scabass culture.
Ihe present report wns hosed on the
montloring ol' whss culturc UI a farmer's
po~wls hv Ih A.K. firw~avukkarasu.
Senlor Scientist and Dr M Ka~lasum,
Scieltlst (Salior Scale)
BREEDING OF MUD CRAB
I:s~nmn~lill slud~cs on the
developlnenl oS captlvc hmo3stock and
md~ntloo of mntur;~tion In Uie small~r
sprslc of mud crnh, Sqlla .vr~mta have
S~IOWII lhat unilateral!. cve-stalk ahli~d
fmlales of average sue 320 g matured ;md
hwmc herr~ed. In 10 instances oS bmy
Ibnnallon. u told of 1 X m~lllor~ Iswue nrere
ohlil111eY1
IMMUNOSTIMULATION OF TlGER
SHRIMP
Slutl~es on the immunostimulation of
ligcr hnmp I'enaeu.~ mono do^^ postlarvae
Ialq hcal-killed hactenn a mmlunostitrmulant
~Dct~cated Urat immunostimulatlm
frilled to ralstaln I enhance the prok~tlve
mpnsc. Ilowrva, 11 sigri~ficantly
enl~unced the growth of shnmp

DIETARY PHOSPHORUS
REQUIREMENT OF WHITE SHRIMP
The qtulntiblive dlclnq requlrcments
of phosphorus wcrc dctcm~nd for wh~tc
shnmp 1'. ind~ms Kes111~5 of lid~ng trials
using mi-purificd diets contnlnlnp
phosphorus levels rnnglng fmm 0 to 2.5%
an ltveragc y~eld of 1.120 kgn~a. qeiast
eurl~er ylclds ranging fmm 3O(L5(K) kghn
~ndrcated that d~cLs i~~corporat~l~g ohtll~~rd uslng ngeold tn~dit~ond culture
phosphorus at 1% level showed F~MKI pnct~ccs 111 a ~xnod of I I5 dnys, the
prow211 und fed convcrslon (l:CK I 1 I) ln
shnmp.
l'urmlrr wos uhle to gcncmte a pmfit of
Ks 4,hS.67( 11-
ARTIFICIAL FEEDS FOR
VISITORS
SEABASS FRY
- Mr. 13n111o Chnv~nal, Aq~mcc~lh~rc
The Inst~tute nlccedd in weonlng
whss I*rrr.~ crr1canli.r iv, p~duced 111
the Institute's hatchcw ut Muth~kodl~, to
art~fic~al lids. Two Lvds fonnulaterf w1U1
pmteln levels at 35 nnd 40°h wd )ircqmrui
as floating pcllcLs, uslng feni~entution
t~hn~que, were ~rccptal 1111: liv.
Short-term feallng tnllls mdrul(cd that the
prouth alld surv~val Ixrc~ntage of 45 and
84 res~t~velv werc wmpuruhlc to tlu~t
ohrnlncd wth a commerc~ul ~mporlalixd
VIRULENCE STATUS OF INDIAN
WHITE SPOT VIRUS
A mn of laborntor). expmrncnlq wcrc
Lakcn up to stud\ the v~rulence status of the
lnd~an White Spot Vms. I'rcllm~~q
c\pcrunenb uqth shrin~p I'u~tueus nrorrodn~
end P. Brdrcnq indlcoted a churqc III Ule
vtmlmce, w~th hoth wries ol' shnmp
sllowng higher tolmncc levels
MONITORING OF TRADrflONAL
SHRIMP FARMING IN POKKALI
FIELDS
Monitoring of traditional shnmp cullure
fms (Pokkal~ fields) was taken up by thc
Imtuce in Emkulam. Alonmoha and
Thnssur dl&& of ~mla. &o~tratlon
of ilnpmved tcthl~iqucs of shnmp culture
shad a soh(unt~al IIY~YC In
pmductivitv and lncottle I'M) aqiacent
I'okkul~ fields (tohl am 2 1111) at
Vam;w.hn, wloctd for UIC studv, sliowal
Knp~nar, C0I:RI:l'liCIIE. Centre Ik
13rcsI. I11w1m1e. I:mnce. visitrd
Muttukudu I:spcn~~~a~lsl Station on 3
Novcmhcr IOOX, for d~.lcuuq~ons
tlr
Seohnss Palot I'rojcct on hrhrdu~g wd
-An appairral team comprised of
Mr.Collcct, Mr.nmhhct, Mr llncmear~
culd Mr.Koland hmme from the French
l:conom~c Commlss~on, vlrnlcd CI11A
I4ecldq11n1tm. C~IC~IMI and M~mlkRdu
1:\7xn111e11lnl Sul~on, on I1 Novanher
I')'JX, 111 co~uwct~oa with Ule pilot prolrrl
011 wfltul..s
ENGAGEMENTS
Ik (i K M Rno. Director. attended
the Ibllowing Matingflorksliopd
Scn~i~vlm
- lnatrh W d h p of UK Nntid
Agncidhual Tccl~~lolopv Pmicct (NAIl'X
hcld ut ICAK. New, I klhi. 6 (ktoha IOOX
- ICAK 1)irttctors' ConTmce nt ICAR.
New LkIh1.7-H Octohcr 1098.
- Med~ng Tor the linel~sat~o~l of the IX
I'hu~ dcru~ncnt of U r Instltutc, held at
ICAK. Novlkh. 17-1RIrkiwnhrIOL)X
- Workshop 011 Sastmnnhlc 1.ivclilmods
mld 1

& Dcpt. of Finhaier. Oart. of Tmil TRAININQ
Nadu. at Chnna~. 12 Omher 19911. - A trs~nmg pml~amme on 'Dmckishvmlcr
- 'Dr. M. Krinhnm, Smia Scientist, med
Fmfiqh RrcuJmg and Culture' wa
a. Rapportcur m thc Twelvcth Nationnl eond~rlal hv ClBA from 16-30
Confcrencc on Aprieulturnl Mahctlng, Novcmha 1998 Thme wnd~daden (2
hcltl at Jntpr. 8-10 (kloha 1998 nnd from MPEDA. Kochi and 1 from
prcmted a paper.
CMFRI, ViMkhapatnam) partripalad in
- Ik I.. 11. Rm, .Sarior Scientist. F6pramme.
plicipatcd m che meting for the - A trnlntng pgmnm on Envlmmnent
Rnnli~tion of the 1X Ilw document of lmpnct Asp~.s~mcnt of Rrack~bwnta
UIC Inslttutc, held at ICAR, New I)clh~. Shr~mp Fmm~np war conducted hv ClliA
17-18 Nnvrmher 199%
dunng 14-23 I)ccrmher I098 Seven
fmm MII,DA partrclplcd m the
- Dr. T. C. Santitqp. Senior Scientist,
trtttnlng prngrnmmc
participated in 11 2-week intcnrnve
workshop on "Chmmonnmc and Cinr
Imhlrcs and dcmon.bsbonr wae
Man~pt~lntion Tcchniqtw" under tlr
arranged for the follou~ng at lhc Munukadu
1CAR Nntional I'mf'auorship I'rolect at
fix~nnlcntnl Slntmn
UIC Scl~wl of I~I~Io~IcHI SCIL~CCI.
Madura~ Kamml 1 Jntvrmity. 2-1 4
Novmnha I998
- Dr. H. P. Ottptn. Senior Scicnt~st.
attended the 1lt11d1 Workshop held at
Nnt~onnI Aestkvny of Agricullarnl
Kcxa~rclt Mtrnapnmnt (NMKM).
I Ivtlcmhsd. 2X-20 l kccmher 1998.
MEETING
- The I'nnrlh Mecling of the Rescnrcl~
Advisory Committw of the Inst~tutc wnu
I 9')X.
held on 18 Ikccn~hcr 1998 at Mutt~tknd~t
Ihpcnmcnlnl S ~I~I~III lh l'.S.l~.l~ J~IIIICS, - 1\11 tnlcrnctio~~ I>mprntntae was orgnn~d
Rlil 1)irector. CMI:RI. Chatmen, 1MC. for 22 fislwli)lk from Krmlnmh~l:tn~
prcaid~d ova UIC mdltlg. 1%. M V~llnpe. 'I'in~~tclvel~ d~stnct. ' h ~ Nndu. l - Shn N Rqhavnn. Sr Stenogrnpher, on
SnkU~~vcl. Resident. Aq~wolhm qm~wml hv UIC N~rleur I'owcr en ~nlc~-msttlul~onaI trnnvfer Imm CIRA.
I:o~~tidntton oi 11id1n (Mnnhx. RAC). C'cirpnrnl~oti (NI'C). (iovt of Indtc~, C~LTUI~I to NIANP, Bunpalore, relteval
)I lk S (' I'athaI. Cl~~cf On~crnl Muupcr. C~ICIIII~II. OII 23 Novanher IWX. at tl~c on 10 No\cmhcr 1998
NAllARl). (iuwtd~nli.(Mmhcr, KAC) Muttukwlu I~w~xntn~n~rl S~~IIOII Obituary
and Shn Arjnn 1t11d Shnstn. Sir~al 1:ollou-up ~ISCUSSIOIIS WLTC Iwld 111 NI'C - Slin S~tnrnm I>n, S S Cmde IV, KKC of
Worker (Non-oflic~nl met~ilw. KAC) hen&~~unrtcrs 111 C~I~IIII~I, on llw aune dny CIItA. Knkduip, 24 Deccmhcr 1998
alrn~dcd the mcctlnp
HUMAN RESOURCE DEVELOPMENT
- Lh. (i. ikri~l~na. Scta~t~st (SS).
pnrlicipatcd 111 thc Trnininp Couw on
(ia~ettcs tlnd 13a~tccl11lologtcnl l'oola 111
Aqnncult~uu and I:~sI~cnes. (11 CIFI:.
MIIIII~II, d~ving 2-31 I kcn~her 1998.
AWARD
- Ih S S. Mishra. Scientist, rrceivcd thc
IX. K. Fdwan Manorial Mnkl (gold
medal and cilnt~on) from the lndtnn
Vcterine Amuct~on. New Iklh~, for
his nri~cle cnlrtlal "Rcswiction in~p~nct~t
profile oi a fowllms vtnm isolate using
mchon cndo~nslcmw" wtnch w s
sclccted as tlw "I3nt Att~clc in
H~oteclmlogv" pr~hl~sl~ed m the
Vctcrinq Journal Vo172 (1995). TIK
awn1 w s rrceived at UIC 27th All lnd~a
Vct~rituuy Confcmcc held at Tamil
Nndu Ilnivastillv of Vetchtry cud
Annnnl Sciences on 1 I Septcmhcr I998
- 22 students (2nd ycnr M.k.
iinvironnicntr~l I31ology) from the
IlhttraU~~ Art.* Collqe for Women,
Chmtnni. 17 Novcmhm I998
- 20 sludcnLv (I sl and 2nd yar
I~nv~ronmcntnl 131otccl1nolopv) hrn
Institute liir Coaslul Awii Stndtn.
Mnnonmwi~al~ Sundnrnnw Untvc~slty.
Napmoll, I0 Novcmhcr 1 OOX
- 20 siida~ts fmm the I)cpc of 7nologv.
MccnRL;sI~t Collqe. Chenna~. 2 1
Novcn~tw
and mrr atlcodcd by Shn M KaUurvcl.
Dr KGopnmthsn and Dr A R
Thrmnwukkasn% Sentor Scm* Shn
C R Prabhakaran. Ch~eiEng~nea, NPC,
coordmaced the above progrnmmc
- 26 dent.. (M Sc Aquaculture) fmm
Nandanam ArLs Colkee, Chm, 12-18
Ikcn~hcr 1998
- 12 Sublnspccton (Flshcncs) fmm Tam11
Nadu F~shenn Staff Trammg Insttlutc,
Chm, 17 Decanba 1998
- 64 students from Dep of Zoology,
pua~d-cM~lldh Govl Collqe for
Women. C~CIUIEI, 19 Deccmhcr 1998
- 25 -Ls from the I)epl of lndustnal
F~sh and rtshcnes. RIB College,
Dhubsnechwr. 22 December 1998
ARS EXAMINATION
- I11e Agr~~ulturnl Research Scrv~ce(ARS)
I xamlrlntton 1998 was condlrted bv the
lnstttntc nt Chennn~, dunng 27-29
Decclnber 1 99 R
STAFF NEWS
Promotion
- Shn I< Knndnman~, Sentor Clcrl, to
A\wim~t. I6 Sc~tanhcr 1998
- Shn S K I31ndu. Jr Clal, to Sr Clerk, 7
Novemhcr 1 OOX
- Smt K Nand111t11, Jr Clek to Sr Clerk, 7
Novanhc! I ')OX
Rel~ef
Dr P S B. R. .hmes, F m Dkdx, CMFRl and Cheian. RAC (exbeme leR ) and Dr. S. C.
Pathak. RegiaMl Marmy. NABARD. GuwahaD and Member. RAC (second tom lefD dunng he
ckscussons at the RAC meebng held on 18 Deanrber 1998