HISTOLOGICAL STUDIES OFLIVER OF MAJOR CARPS FROMKEENJHAR LAKE.
Hi st ol ogy i s an i mpor t ant f i el d of f i shheal t h t hat can of t en det ect subt l econdi t i ons or ear l y si...
Aims and Objectives Hi st ol ogi cal anal ysi s appear s t o be aver y sensi t i ve par amet er and i s cr uci ali n det ...
Fi sh sampl es wer e col l ect ed at t he t hr eesampl i ng si t es f r om Keenj har Lake, i nl i ve and mor i bund condi...
Fi sh speci es Lead Cadmi um Ni ckel Zi ncC. cat l a H.0.8810.0030.851 0.0090.91 0.00950.884 0.0095L. rohi t a H.0.8670.00...
Fish species Keenjhar LakeCirrihinus mrigala (Hamilton)TumorReduction of hepatocytesDisrupted hepatic alignmentNecrosi...
ConclusionL. rohi t a, C. mri gal a and C. cat l a H. were sel ect ed f orhi st ol ogi cal exami nat i on due t o t hei r ...
Measures must be t aken t o mi ni mi ze t hecont ent of wat erborne t oxi cant s, t o preventor mi ni mi ze t he del et er...
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  1. 1. HISTOLOGICAL STUDIES OFLIVER OF MAJOR CARPS FROMKEENJHAR LAKE.
  2. 2. Hi st ol ogy i s an i mpor t ant f i el d of f i shheal t h t hat can of t en det ect subt l econdi t i ons or ear l y si gns of di sease noteasi l y r ecogni zed on gr oss exami nat i on.Changes i n t he cel l ul ar l evel i n t he f unct i onof key or gans ar e t he f i r st i ndi cat i ons ofmal adj ust ment t o st r essor s t hat mayevent ual l y l ead t o poor heal t h or di sease.A hi st ol ogi cal i nvest i gat i on r el at ed t oupt ake of heavy met al pol l ut i on on t het i ssues of exposed f i sh coul d pr ovi deval uabl e i nf or mat i on, and f or pr edi ct i ng humanheal t h r i sks.An est abl i shed and compr ehensi ve dat abase off i sh hi st ol ogy coul d become an i nt egr al par tof envi r onment al i mpact assessment s and coul dImportance of Histology
  3. 3. Aims and Objectives Hi st ol ogi cal anal ysi s appear s t o be aver y sensi t i ve par amet er and i s cr uci ali n det er mi ni ng cel l ul ar changes t hat mayoccur i n t ar get or gans such as l i ver t or ef l ect i ng t he heal t h of an ent i r eaquat i c ecosyst em. Shor t and l ong t er m exposur e per i ods maysi gni f i cant l y i nf l uence t he hi st ol ogi caldamage and al t er at i ons caused byexposur e t o heavy met al s. Heavy met al s (HMs) pol l ut i on i s of gr eatconcer n and i t s has har m f ul l ef f ect s onaquat i c ani mal s, t o i nvest i gat e t he
  4. 4. Fi sh sampl es wer e col l ect ed at t he t hr eesampl i ng si t es f r om Keenj har Lake, i nl i ve and mor i bund condi t i ons at t he f i shl andi ng cent er s.Li ver sampl es wer e f i xed i n Boui ns’sf i xat i ve f or 30 hour s. Than t he t i ssueswer e decal ci f i ed t o r emove br i t t l enesscaused f r om aci di t y of f i xat i ve f or 14hour s.Ti ssues wer e kept under t he r uni ni ng t apwat er f or 2 hour s, af t er t hat t he t i ssueswer e dehydr at ed f r om f ol l owi ng ser i es ofMaterial and Methods
  5. 5. Fi sh speci es Lead Cadmi um Ni ckel Zi ncC. cat l a H.0.8810.0030.851 0.0090.91 0.00950.884 0.0095L. rohi t a H.0.8670.0090.835 0.00850.9460.00670.922 0.0076C. mri gal a H.0.6970.0070.881 0.00780.8020.00780.841 0.0085
  6. 6. Fish species Keenjhar LakeCirrihinus mrigala (Hamilton)TumorReduction of hepatocytesDisrupted hepatic alignmentNecrosisLeukocytes infiltrationHyperemiaCirrhosisAneurismHepatocytes vaculationHepatocytes with pyknotic nucleusHemorrhageLabeo rohita (Hamilton)Reduction of hepatocytesDisrupted hepatic alignmentNecrosisLeukocytes infiltrationCirrhosisAneurismHepatocytes vaculationHepatocytes with pyknotic nucleusHyperemiaCatla catla (Hamilton)Reduction of hepatocytesTumorDisrupted hepatic alignmentHyperemiaHepatocytes vaculationCirrhosisCytolysisHepatocytes with pyknotic nucleusAneurysm
  7. 7. ConclusionL. rohi t a, C. mri gal a and C. cat l a H. were sel ect ed f orhi st ol ogi cal exami nat i on due t o t hei r popul ari t y asf ood f i sh rel i shed t hroughout Asi a. Usual l y, t hesespeci es are cul t ured i n ponds and dhands (smal lst andi ng wat er bodi es), owi ng t o f ast growt h-rat e andhi gh economi cal val ue.I t i s concl uded t hat t he hi st ol ogi cal di st ort i oni ncreases wi t h t he i ncrease i n t oxi c i nf l ux. LakeKeenj har has a l ow cont ent of wat erborne t oxi cant s;however, hi st ol ogi cal anomal i es do occur, i f measuresare not i mpl ement ed t o mi ni mi ze t he exposure t o hi ghl evel s of t oxi cant s, Lake Keenj har wi l l becomedyst rophi c, and t he l ocal popul at i on wi l l f ace soci o-economi c di sast er.Among t he f i sh speci es exami ned i n t he present st udy, C.
  8. 8. Measures must be t aken t o mi ni mi ze t hecont ent of wat erborne t oxi cant s, t o preventor mi ni mi ze t he del et eri ous ef f ect s oft oxi cant s on aquat i c organi sms andconsequent adverse ef f ect s on consumers,especi al l y t hose l i vi ng i n t he vi ci ni t y ofLake Keenj har. I t wi l l be i mport ant t omoni t or t he met al s burden i n sedi ment s andassoci at ed bi ot a of Lake Keenj har.
  9. 9. Thanks

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