KHOA HOC VA CONG NGHf<br />
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H 6 I R Q NHAN RONG MO HJNH NUOI CA VWOC ^<br />
VUNG NU'QC LQ, TINH THl>A THIEN HUE<br />
Cd vuffc [Lates calcarifer] la loai cd cd gid<br />
tri kinh te cao, thit ngon vd Id mat hdng xudt<br />
khau quan trgng. Cd vuffc cd the nudi d cd mdi<br />
trudng nude nggt, nude man vd nu&c Iff. Cd<br />
vuffc Id loai phdn bd rdng tgi cdc vung bien<br />
nhiet d&i vd can nhiet d&i. Tgi Viet Nam, cd cd &<br />
vinh Bdc Bd, viing bien mien Trung vd Nam bg.<br />
Cd cd thdn ddi, dep, cudng dudi khuyet sau, dau<br />
nhgn, nhin ben ldm ve phia lung vd ldi ra phia I - ^<br />
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trudc vay nguc. O Thua Thien Hue, de phdt<br />
trien ngdnh nudi trdng thuy sdn mdt cdch ben<br />
vimg, mdt du dn khoa hgc vd cdng nghe ve nhan trinh san xuat, cdng nghe san xuat gidng ca vugc cd<br />
rdng md hinh nudi cd vuffc dd duffc nghiem thu, the dap ling dii sd lugng de md rdng nudi ca vugc<br />
nhdm xdc dinh md hinh nudi phii hgp vd hieu thuang pham. Mat khac, vdi thi trudng tieu thu ca<br />
qud trong vung nude Iff, tie do cdi tien, nhdn vugc kha dn dinh, nhu cau ca vugc thuong pham<br />
rong md hinh ndy den nhieu vung nudi d Thiea cho xuat khau kha cao la dieu kien thuan lgi cho<br />
Thien Hue. viec phat trien nudi ddi tugng nay.<br />
Du an "Hd trg nhan rdng md hinh nudi ca Ca vugc trai qua phan ldn thdi gian sinh<br />
vugc d viing nude Ig, tinh Thua Thien Hue" do trudng (2-3 nam) trong cac thuy vuc nude nggt<br />
TS Tdn That Chat lam chii nhiem du an va nhu sdng, hd nai ndi lien vdi bien. Ca cd tdc do<br />
Trudng dai hgc Ndng lam Hue la don vi chii tri. tang trudng nhanh, thudng dat cd 3-5kg sau 2-3<br />
Muc tieu chung ciia du an la xac dinh va nhan nam. Ca vugc trudng thanh, thudng dugc xem la<br />
rdng md hinh nudi ca vugc cd bieu qua trong loai ca dii, pham an. Ca de quanh nam, thdi diem<br />
viing nude Ig gdp phan chuyen ddi ca cau nudi chinh vu tir thang 4 den thang 8, ca thudng xuat<br />
trong thuy san theo hudng ben vung d viing dam hien cac thang miia khd (thang 2-8), boat ddng de<br />
pha ven bien tinh Thira Thien Hue. Muc tieu cu triing manh d cac thang 4, 5, 6 va miia sinh san<br />
the la tdng ket va danh gia ket qua cac md hinh keo dai den miia mua.<br />
nudi ca vugc hien cd d Thira Thien Hue, qua dd 0 Thira Thien Hue, ngudi dan da bude dau nudi<br />
cd dugc md hinh nudi ca vugc nhan rdng phii hgp ca vugc d mdt sd dia phuang thude khu vuc phia<br />
va hieu qua. bac pha Tam Giang (Dien Huong, Dien Hai, Phong<br />
Nuoi ca vu-gc-nghe mang lai hieu qua cao Chuong, Phong Hai, Quang Cdng, Hai Duong) vdi<br />
Thira Thien Hue cd khu he dam pha Tam hai hinh thiic nudi chu yeu la nudi ao va nudi ldng.<br />
Giang-Cau Hai ldn nhat khu vuc Ddng Nam A, vdi Cac ao nudi dia phuang cd dien tich trung binh tir<br />
tong dien tich 22.000ha la dieu kien tdt dl phat 1.000-3.OOOm^' mat do nudi 1-3 con/m^, kich cd<br />
trien thiiy san. Nghe nudi ca vugc thuang phim gidng tha nudi 6-8cm/con. Lugng ca gidng chii<br />
phat trien tii- sir nhay cam ciia ngudi nudi thiiy san, yeu dugc- mua tir Nha Trang va da sd cac ao nudi<br />
vi vay nudi ca vugc trong ao hoac trong ldng d ca vugc tai Quang Cdng, Quang Dien la cac ao<br />
viing nude Ig la mdt lgi the. Viec hoan thien quy dugc chuyen tir ao nudi tdm sang.<br />
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BAN TIN KHOA HOC VA CONG NGHE THUA THIEN HUE, 12-2010<br />
KHOA HOC VA CONG NGHE<br />
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Qua qua trinh thuc hien du an, nhdm tac gia long chi chilm 3,7%. Dac biet, nam 2010, xa Ldc<br />
da tiln hanh dilu tra thu thap so lieu bang phuang Tri, huyen Phu Ldc da triln khai md hinh nuoi<br />
phap dilu tra nhanh va tham gia thuc hien cimg long ca vugc thu dugc lgi nhuan kha cao va du<br />
cac hg nudi ca vugc de nam bat quy trinh nudi til' bao den nam 2011 md hinh nudi long ca vugc se<br />
khau chuin bj ao den khau tha gidng, cho an, dugc md rdng tai dia phuang nay.<br />
cham sdc va quan ly. Thdi gian dau tha nudi can Dinh hudng phat trien nudi trdng thuy san den<br />
su dung thuc an cdng nghiep ket hgp thiic an tuai nam 2010 cua Thiia Thien Hue la lay hieu qua<br />
da giiip ca tang trgng nhanh. Nhung cang ve sau gan vdi bao ve mdi trudng, dieu chinh quy hoach<br />
viec nudi ca bang thirc an tuai da dem lai ket qua nudi trdng thuy san theo hudng an toan ben viing,<br />
tdt ban viec su dung thiic an cdng nghiep. da dang hda ddi tugng nudi trdng, phat trien cac<br />
Triln khai mo hinh nuoi ca vugc co ddi tugng va phuong thiic nudi cd kha nang cai<br />
hieu qua thien mdi trudng nude. Viec nhan rdng md hinh<br />
Tir ket qua dieu tra, danh gia thuc trang nudi ca vugc d viing nude Ig ma du an dua ra da<br />
nudi ca vugc tren dia ban tinh Thira Thien Hue, gdp phan da dang hda ddi tugng nudi, tang tinh<br />
nhdm thuc hien du an da xac dinh va trien khai ben virng cua nghe nudi trdng thuy san. Vi vay,<br />
md hinh nudi ca vugc thuang pham cd cai tien phat trien ca vugc la ddi tugng ed gia tri kinh te,<br />
theo hudng dat hieu qua kinh te, lgi cho mdi phu hgp vdi vimg dam pha Thira Thien Hue, tan<br />
trudng de nhan rdng d Thira Thien Hue. Nhdm dung cac ao nudi tdm sii bi bd hoang va tan dung<br />
tac gia khang dinh, md hinh tuang ddi cd hieu ngudn thiic an san cd cua dia phuang. Viec nhan<br />
qua d Thira Thien Hue trong vimg nude Ig la rdng md hinh nudi ca vugc bang thiic an tuoi va<br />
md hinh nudi ao sir dung thiic an ca tuai. Vi thiic an tuai ket hgp vdi thiic an cdng nghiep se<br />
vay nhdm thuc hien du an da lira chgn md hinh gdp phan tang tinh chu ddng trong qua trinh nudi,<br />
nay lam md hinh nhan rdng cho cac hd cd dieu mang lai hieu qua kinh te cao ban va ban che 6<br />
kien cung cap thiic an tuai chu ddng. Md hinh nhiem mdi trudng. Ddng thdi giai quyet viec lam,<br />
da dugc tiep tuc nhan rdng d Quang Cdng, tao ngudn thu nhap dn dinh, thuc day chuyen dich<br />
huyen Quang Dien; Phii Tan, huyen Phu Vang; ca cau kinh te cho cac vung ndng thdn ven bien<br />
Huang Phong, huyen Huong Tra. Tuy nhien, de Thira Thien Hue.<br />
cung cap thiic an chu ddng cho ao nudi ca vugc Theo ba Vd Thi Tuyet Hdng, thanh vien hgi<br />
trong nhiing ngay thdi tiet xau, khdng du ca tap ddng phan bien cua hdi nghi nghiem thu du an,<br />
tuai, viec su dung thirc an cdng nghiep ket hgp tuy cdn mdt sd ban che nhu cac Idp tap huan<br />
thirc an tu che ciing da dugc ap dung tai cac dia mdi chi dan thuan la ly thuyet ma chua cd thir<br />
ban nay. nghiem rd rang; nhdm thuc hien du an chua<br />
Theo bao cao ket qua du an dugc trinh tai hdi phan tich, ly giai nhiing thuan lgi, khd khan<br />
nghi nghiem thu, TS Tdn That Chit, chu nhiem trong qua trinh nudi de rut ra bai hgc kinh<br />
du an da neu len nhirng lgi nhuan thu dugc tir nghiem cho ngudi dan trong qua trinh nudi...<br />
viec trien khai md hinh nudi long ca vugc, qua do - Song, du an da xac dinh dugc md hinh nhan<br />
dien tich nudi ca vugc d Thira Thien Hul da tang rdng cd hieu qua, do la md binh nudi ca vugc<br />
len 10,55ha. Sd long nudi ca vugc d Huong Tra bing thiic an tuoi, qua do du an da xay dung<br />
tang tir 300-350 ldng so vdi nam 2009 len 550 dugc 3 quy trinh nudi thuang pham va td rai<br />
nam 2010. Tai Quang Dien, chii yeu la nudi ao, tir cho tirng quy trinh, gdp phan quang ba, nhan<br />
thang 8 sang miia lii mdi chuyen nudi long de giii' rdng cac md hinh.<br />
ca, sd hd nudi ca vugc trong ao chilm 96,3%, Nguyen Khang<br />
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BAN TIN KHOA HOC VA CONG NGHE THUA THIEN HUE, 12-2010<br />