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Sau kM cho thic i n vio bd phii quan sit s i c bit mdi c i a Itfdn dd didu chinh Itfdng thic i n cho hdp I^.

Ddn ngiy 04/10/2012, sau flidi gian tfdng nudi khoing 4 fliing, anh Moi tidn hinh ttiu hoach Itfdn gidng dd chuydn sang giai doan nudi thtfdng phlm.

Sd Itfdng Itfdn gidng fliu hoach dtfdc: 846 con (cf Id hao hut: 57%), cMdn dii himg binh: 28cm, trong Itfdng tiimg binh: 8,25gam/con (xem inh).

Md hinh tfdng nudi Itfdn gidng nhin tao cia anh Nguydn Vin Moi tuy chtfa dinh gii dtfdc Wdu qui kinh td nhtfng diy li mdt md hinh mdi cin dtfdc so sinh vdi nhing md hinh thi ngMdm khic dd dinh gii, rdt ra nhing kinh ngMdm nl^m cii tidn, ning cao Mdu qui hdn nSa trong thdi gian tdi.

Hy vpng trong mdt thdi gian khdng xa, lilc Itfdng cin bd khoa hpc ky thuit trong Qnh vtfc thiy sin se tich cic ngMdn ciu, hdp tic vi chuydn giao ddn ndng din nhing bien phip ky fliuit tidn tidn vd sin xult Itfdn gidng nhin tao nhim tittig btfdc xa hdi hda vide sinh sin vi tfdng nudi Itfdn gidng nhtf da ting thifc Men vide xa hdi hda sinh sin ci tra nhin tao dd Itfdn gidng nhan tao se din thay thd ngudn Itfdn gidng khai thic d td nMdn./.

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;-::./

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llinh l-.\jiliM,ilj,iij,u;)rnji;), IJulliiili,„„-l,hl,i„gi,

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ITwh 2: Kich ca luan gidng khi Ihu hoach.

F H A T T R I E N T H U Y SAN Nl/dC NGOT d KHU VirC TUf GIAC LONG XUYEN

TRONG GIAI DOAN 2010-2020

« NGUYIN THAO NGUYEN Trung tfim Gl^ng thdy s i n An Glang

I . D$t vd'n dd:

Sau ching dtfdng hdn hai mtfdi nim khai hoang, xiy dtfng, khai thic vi phit tridn, khu vtfc T i giic Long Xuydn t i mdt vdng dat hoang sd nghdo nin di cd nhing btfdc chuydn minh ding kd vd kinh td xa hdi; die bidt li sif phit tridn ndng ngMdp vdi nhing flid manh die trUhg vi nhing tidm Ittc to Idn ddi vdi cic ddi ttfdng ndng sin xult khiu, di phIn nio khing dinh vi the cda khu vtfc trong ndn kinh td vdng ddng bing sdng Ciu Long cung nhtf nen kinh td dIt ntfdc.

Vdi bdii canh l i bidn gidi Vidt Nam - CampucWa, vinh Thii Lan, kdnh Cii Sin vi sdng Hiu; bdn gdc dd flii li fliinh phd Long Xuydn, fliinh phd Rach Gii, flii xa Chau Ddc vi thi xi Hi Tidn, T i giic Long Xuydn Mnh tiiinh trdn dia phin ba tinh An Giang, Kidn Giang vi Cin Thd, li vdng ddng bing

M

trung vdi mia ntfdc ndi die tttfng hing nim. T i nim 1993 -1998, nMdu cdng trtnh thdy ldi Idn vdi nhing kdnh tiioit lu, cic dip ntfdc Idn di dtfdc TYung tfdng tip trung dlu ttf xiy dtfng, gdp phIn to Idn cho vi$c ting btfdc chuydn dich cd clu kinh td vdi nhihig vu nudi, trdng thim canh, ting vu, nhing tidn bd khoa hpc ky fliuit dtfdc chd ddng ip dung, phiic vti cho canh tic cda ngtfdi din.

Nhd vio nhing tfu flid do fliidn nMdn mang lai, khu vtlc T i giic Long Xuydn di sdm thd Mdn tidm ning to Idn trong linh vtfc khai fliic tfidy sin ntfdc ngpt ttf nWdn vdi nhffng gidng loii flidy sin phong phd, trong dd cung khdng it nhing ddi Wdng vdi gii tri kinh td cao, dtfdc nMdu ngtfdi tfa chudng vdi tri Itfdng hdt sic ddi dio.

T i nim 1999 nMdu chinh sich, dinh htfdng dly manh phit tridn kinh td xi hdi vdng T i giic Long Xuydn flieo htfdng siu idng hdn dtfdc nhi ntfdc chi m*dng tilng ctfdng, gidp khu vtfc cd dtfdc nhing btfac tidn dii trong cdng cudc phit tridn kinh tdxa hdi, trong dd li nhffng fliay ddi trong cd clu nginh nghd vai tfu did dinh cho nghd nudi trdng thaf sin vi nhffng tidn bd trong ky fliuit tfdng nudi, cung nhtf trong s»

dinh htfdng phit tridn phd hdp vdi nhffng tiiay ddi trong cd clu ndn kinh td. T i nim 2009, cdng vdi nginh nudi trdng ttidy sin cda khu vtTc ddng bing sdng Ciu Long, nginh nudi trdng flidy sin khu vtlc Ti giic Long Xuydn cung cd nMdu tidn bd ding kd trong cic linh vtfc ing dung cic tidn bd khoa hpc ky Uiuit vio trong sin xult. Ngtfdi din khu vtfc T i giic Long Xuydn sdm da cd stf tidp xdc vi gin bd khi gin giii vdi cic ddi ttfdng Uidy sin ntfdc ngpt ndn til dd mi nghd nudi trdng diiy sin ntfdc ngpt d khu vtTc cung c6 didu kidn phit tridn til khi sdm vi fliuin ldi tidp cin vdi cic tidn bd khoa hpc cdng nghd hdn. Nhffng vu nudi thim canh ning suit cao, nhffng ngMdn ciu dd cd tiid nudi trii vu nhim khai thic tdi da cic tidm ning cda nghd nudi cung dtfdc thtfc Mdn. Khi nMdu loii thiy sin tidm ning nhtf Itfdn ddng, ci Idc, d ning hai, ci id ddng... vin dang dtfdc cic tlnh tip trung phit tridn vi dang tiTng btfdc hoin tMdn cic btfdc cin bin trong ky thuat tfdng, nudi. Nhin chung, cic ddi ttfdng niy cd nhing die didm khi phd hdp vdi didu kidn ttf nMdn d khu vtfc, bdn canh dd, trff Itfdng ttf nMdn cung nhtf Mdu qui kinh td t i md Mnh tfdng nudi cic ddi ttfdng niy mang lai cung ttfdng ddi cao vi hoin toin cd di tidm ning dd phit tridn nghe nu6i theo nhing qiu md vi dinh htfdng xa hdn.

Van de dat ra d diy chinh li lim sao khai thic vi phit huy tridt dd hdn nhiing tidm Itfc kinh td Idn cda khu vtfc vi til dd dinh htfdng phit tridn thiy sin bdn ving gin kdt vdi cd clu ndn kinh tdtiii trtfdng cung dtfdc chd trong vi day manh vide i p dung vio cic chinh sich phit tridn kinh td xa hdi d khu vtfc.

liiy nMdn, vdn dd phit tridn b>dn ving flidy sin trdn cd clu kinh td flii titfdng vdn l i mdt ttiich thiJc khdng nhd, khdng cM ddi vdi dinh htfdng phit tridn thdy sin khu viTc T i giic Long Xuydn, mi cungci thd xem nhtf mdt thich thic to Idn cho nginh nudi trdng thiy sin ci ntfdc. \ ^ n cdn khdng It nhing bSt cip vd cd clu kinh td xa hdi trong qui trlnh hdi nhip, din ddn nhing bit cip cho sir phit tridn bdn ving flidy sin trdn ndn kinh td flii trtfdng nhtf Mdn nay. Nhffng bl't cip dd, bao gdm: ndn kinh td ntfdc ta vin chtfa dd Idn manh titfdc nhffng bl't dn do stf fliay ddi cd cl'u kinh td, hay nhifng chit vit ddn tJ stf bidn ddng kinh td thd gidi; nhing trd ngai do tMdn nMdn mang lai giy inh htfdng Idn sin xult ndng ngMdp, khdng cM ridng nginh thdy sin nhtf tMdn tai. Id lut hing nim, hay tinh Mnh bidn ddi khi hiu ngiy cing rd ndt; vin dd bl't cip xui't phit t i ydu td con ngtfdi, nhtf thdi quen canh tic tMdu khoa hoc cda ngtfdi ndng din vdi tinh chi't ttf phit, tiudu bdn vffng, ldi kinh doanh chtfa trtfdng tiiinh vdi xu htfdng "mua hd bin tam" Id thudc vio nhffng flidi didm gii ci nguydn lidu fliay ddi cda hlu hdt cic doanh ngMdp, nhffng ldi mdn trong phtfdng phip quin If chtfa dd khi ning didu tidt cd cl'u nghd nu6i mdt cich Mdu qui... \ ^ nhffng bit cip niy, tu^ flieo ting vdng midn, khu vtfc mi cd nhffng bieu hien hay nhing ydu td ndi bit khic nhau.

Ddi vdi khu vtfc T i giic Long Xuydn tM nhffng vin dd dtfdc dit ra chd ydu l i :

- Khu vtfc chiu inh htfdng cda bidn ddi kM hau sdm nhIt vdi tlnh hinh xim nhip man da khi lO nit va theo dtf doin, tinh hinh niy se cing dien bidn phic tap hdn trong flidi gian tdi. Didu niy giy int

htfdng trtfc tidp vi thtfdng xuydn Idn qui trinh canh tic cda ngtfdi nudi, ddi hdi stf can tMdp Mdu qui hdn cia cic tidn bd khoa hpc ky thuat vio trong canh tic.

- Da s o l i cic hd nudi nhd Id, qiti md ndng hd vdi ngudn vdn dlu ttf khdng cao vi trinh dd quin 1^

ttfdng ddi thip; ngtfdi nudi vdi thdi quen nudi tidng tiT phit, id thudc nMdu vio didu kidn tMdn nMdn cung nhtf cic ngudn sin cd, chd ydu chpn Ma cic loai hinh sin xult giin ddn, dd thiJc Mdn. Didu niy ddi hdi nhffng cdng nghd phd hdp vi linh boat, ing dung dtfdc trdn didu kidn sin cd cda ngtfdi din.

- Vin dd chit Itfdng sin phlm dlu ra cung nhtf vide tidu thu cic sin phlm nudi t i cic ndng hd cdn hdt sic khd khiu vi nMdu bl't cap, trong dd chd ydu li stf Idng cdng cda cd clu sin xult kinh doanh, tMdu stf hii hda giia ydu td cung vi clu trong thi trtfdng tidu thii, giia ngtfdi nudi, doanh ngMdp vi ngtfdi tidu ddng chtfa the "gap nhau".

Vdn dd phit tridn thdy sin d khu vtfc T i giic Long Xuydn Mdn nay vi trong thdi gian tdi, bao gdm vide ing dung khoa hpc cdng nghd vio qui trtnh ky thuit, chpn Itfa loii thdy sin tidm ning dd phit tridn va chpn Iifa Mnh thic nudi phd hdp theo nhffng cd clu phd hdp dd phit tridn nhffng ddi ttfdng thdy sin tidm ning, chd ydu dtfa trdn ba vdn i6 ndu trdn.

n . Cac giii phip phit tridn thiiy s&n d khu vie T i giic Long Xuydn:

1. Cac giai phap M0n t^i va trong thdi gian tdi:

- tfng dung nhanh tidn bd khoa hpc ky thuit vio qui trinh sin xult gidng vi nudi thtfdng pham tfldng qua vide thtfc Mdn cic dd tii, dtf in ngMdn ciu, ing dung de nang cao Mdu qui tfdng, nudi cic ddi ttfdng thdy sin cd gii tri kinh td.

- Dly manh phit tridn cic ddi ttfdng flidy sin nudi nhtf tdm cing xanh, ci Idc, ci rd ddng, ci tre, Itfdn ddng, ci didu hdng, ci ling nha, dch, ci sac An... Cic ddi ttfdng niy cd thd phit tridn trong didu kidn sinh thii cda khu vtfc T i giic Long Xuydn.

- Chpn Itfa gidng mdi, gidng cii tMdn di truydn, ning suat cao, cd sic chiu dtfng vdi didu kidn bidn ddi kM hau.

- Phit tridn cic md Mnh nudi cd tinh ing dung cao, dd ding ip dung vi phd hdp vdi cic ddi ttfdng nudi nhtf md Mnh nudi trong bd bat, be xi ming Idt bat, md binh sin xult gidng cic ddi ttfdng cd flid nudi vS vi fliu tring trong be bat, bd xi ming Idt bat.

- Thtfc Mdn cic chudi gii tri, dac bidt Mdn nay la ddi vdi ddi ttfdng ci Idc vi ci sic i^n thtfcing phlm, ket hdp gitta vide ning cao chit Itfdng sin phlm, thdng qua vide tiJrng btfdc dtfa cic qtu pham thtfc binh tdt vio phtfdng phip sin xuat cda ngtfdi nudi tiieo htfdng an toin tiitfc phlm, vdi vide flitfc Mdn cic hdp ddng tidu thu dii ban vi ngin ban vdi cic ddi tic dd tidm llic vi uy tin de duy tri stf hdp tic tidu fliu.

2. Gidi tlii$u mOt sdmd Unh san xui't mdi Mdu qua cd thi phat tridn d khu vi^c T i giac Long Xuydn:

- Nudi tdm cang xanh thim canh trong ao:

Md hinh nudi tdm cing xanh fllim canh trong ao ddt cdn khi mdi md ddi vdi ngtfdi din d An Giang.

iJu didm cda md hinh niy li nudi dtfdc mat dd cao, cho ning suit cao, ning cao sin Itfdng tdm cing xanh dip ing nhu cau tidu ddng trong ntfdc vi xult khiu. T^ Id sdng cda tdm trong ao nudi dat 27 - 29%, ning suit nudi dat 2.8 - 3,5 tl'n/ha, Mdu qui kinh tdmang lai tir md Mnh nudi niy ttfdng ddi cao vi dat tf suit ldi nhuan tir 50-90%.

So sinh vdi nudi ci tra tM trdn cdng didn tich, ldi nhuan dat dtfdc kM nudi ci tra se cao hdn rat nMdu so vdi nudi tdm cing xanh. Tiiy nMdn, t^ suit ldi nhuin cda ci tra thap (khoing 10 - 30%) vi khdng dn dinh, gii ci bap bdnh, thap hdn tf suit ldi nhuin kM nudi tdm. Ngtfdi nudi tdm cung dlu ttf cM pU it hdn cM pM dlu ttf cho ao nudi ci tra, ngudn vdn it vi xoay vong nhanh gidp ngtfdi dan cd vdn it cd ttld thtlc Men md Mnh nay.

- Nudi c i 16c thtfdng ph^m trong bd 16t b«t:

Diy li Mnh ttiic nudi khi phd bidn 6 ddng bing sdng Ciu Long, phd hdp vdi cic ndng hd khdng cd d i didn tich ao. Ci Idc dtfdc nudi trong cic bd xi ming sin cd hoic cic bd bat khung bing tre, trim,... tin dung didn tich sin nhi, s i dung thic in cdng ngMdp hoic ci tap d dia phtfdng, ning suit Mdn tai cda mdt md Mnh tai ndng hd dat khoing 50 - 60 kg/m^

Vdi stf chd ddng trong bd tri, xiy dtfng bd, ngtfdi din cd flid tin diing cd sd vit chit sin cd dd td chic mdt md Mnh nudi cd Mdu qui kinh td.

- Nudi lidn thtfdng phi'm trong bd Idt b«it

Hinh fllic td chic ttfdng ttf nhtf nudi ci Idc trong bd Idt bat.

Hidn nay, cd nMdu loai gii thd khic nhau dtfdc s i dung nhtf dIt rudng, diy nilon, Itfdi, chi, dug tre...

nhtfng nhin chung cd thd cMa lim hai nhdm md hinh chinh li md Mnh nudi s i dung dIt vi md Mnh khdng s i dung dIt.

Md Mnh s i dung dIt flitfdng dtfdc dinh gii cd ning suit dn dinh hdn, dat 8 -12kg/m^ tily vio ky fliuit cung nhtf kinh ngMdm cda ngtfdi nudi. Nhtfng md hinh niy chi thiTc Mdn dtfdc d mdt sd ndi, vl 1^ do thu gom dIt ludng khi tdn kinh pM vi hinh thic td chic phic tap hdn, kdm linh ddng.

Md Mnh nudi khdng s i dung dIt vdi cic loai gii flid khic flitfdng dat ning suit dilp vi kdm dn dinh hdn, dat t i 5 - 8kg/m^ nhtfng dtfdc ip dung khi phd bidn vl it tdn cM pM hdn vi dd bd tii hdn.

- Md hinh san xud't gidng Itfdn ddng b^ng phtfdng phip sinh sin bin nhfin t^o

Vide nudi vS itfdn bd me, cho itfdn dd vi fliu tring didc fluTc Mdn trdn Mnh fliic bd Idt bat nrdng ttf nhtf md Mnh nudi thtfdng pham. Vide Ip tring vi thu lidn bdt tin dung cic vit ttf sin cd trong nhi nhtf thau, thdng nhtfa, hay cic bd bat, bd Idt bat nhd tdy theo didn tich sin cd vi tMdt kd cda ngtfdi din.

Diy Mdn dang li md Mnh sin xult khi Mdu qui vi hia hen si^ ddng gdp f nghIa cho si^ phit tridn nghe nudi vdi khi ning cung cip con gidng sinh sin bin nhin tao cho ngtfdi nudi, han chd bdt ip Itfc Idn stf khai fllic ngudn Itfdn gidng nr nMdn, tao didu kidn ip dung cic tidu chuIn chit Itfdng vio trong ddi ttfdng itfdn ddng, hia hen cho chuSi gii tri cd flid xiy dtfng trdn ddi ttfdng niy trong ttfdng lai.

m . Kdt luHn:

Trong tinh Mnh ndn kinh td cd nMdu thay ddi vi bidn ddng, bdn canh dd li vin dd bidn ddi khi hiu ngiy cing phic tap, vide phit tridn flidy sin ndi ridng, cic nginh ndng ngMdp ndi chung cin phii chd f ddn ydu td bdn vffng vi cdn phii xem ydu td niy nhtf didu kidn tidn quydt cho ttfdng lai phit ttidn cia nginh trong didu kidn kinh td flii trtfdng. Bdn canh nhffng ddi hdi vd tidn bd khoa hpc ky fliuit mi ci ngtfdi nudi vi nhffng nhi chuydn mdn cin phii ning cao trtnh dd, tay nghd, vide chpn itfa nhffng phtfdng htfdng, dtfdng ldi trong phtfdng phip td chic vi didu phdi cic ydu td trong flii trtfdng tidu fliii cung nhtf thi trtfdng nguydn lidu cic sin phlm cdng hdt sic cin tMdt vi phii khdng ngdrng cii bidn, ning cao tinh chat che dd cd flid phit huy hdt tidm ning cda nginh nghd trong khu vtfc, ddng gdp cho stf phit tridn kinh td xa hdi khdng cM gidi ban d dia phtfdng, khu vtfc, mi cdn l i mdt phIn ddng gdp cho stf phit tridn kinh td xa hdi dIt ntfdc; mi vin dd niy, cin tiiidt phii cd stf tiiam gia cda ci ba bdn:

ngtfdi nudi, doanh ngMdp thdy sin vi pMa cic cd quan ban nginh dai didn cho ngtfdi nudi dd td chic vi didu phdi cic kenh tidu thu.

Khu vtfc T i giic Long Xuydn vdi nhffng tidm ning phit tridn flidy sin cdn rit phong phd, dd ding se hia hen trd thinh didm sing cda nginh flidy sin khu vtfc ddng bing sdng Ciu Long ndi ridng va ci ntfdc ndi chung ndu cd dinh htfdng phit tridn mang tim cMdn Itfdc, phit tridn nhanh nhtfng dim bio ydu tdbin vffng; khai tfiic song song vdi bio tdn vi gin giff mdi trtfdng./.