Tbwj oc cmuj. xanh:<br />
CACH LAM Mdi DEM LAI<br />
HIEU QUA KINH TE CAO<br />
^ TUAN KIET<br />
<br />
<br />
<br />
<br />
V e de'n xa Binh<br />
Thuan, chiing tdi<br />
dufdc dng Difdng<br />
Ngpc Thdi, Chii tich Hdi<br />
Ndng dan xa, dan den tham<br />
Noi dS'n 6'c cang xanh (hay con goi la d^c bo, d'c mifgtn<br />
hdn) thi nhan dSn cac xa ven bien huyen Binh Sdn da<br />
nhan m$t, nh^n chuy$n va khdng con la l§m gi vi i\i xi^a<br />
dg'n nay chiing khdng drfrfc suf dung d^ lam ngudn thrfc<br />
ph^m cho con ngi^oTi ma chi d^ lam ngudn thtfc an cho<br />
quan hd nudi dc cang xanh tom, ca trong ttf nhien. VSy ma chuygn "la lung" da<br />
ciia chi Nguyen Thi Ngat, 38 xay ra! Hi$n nay, of xa Binh Thuan, co hai ho gia dinh<br />
tudi, d thdn Tuyet Diem 2 de dSu ttf nuoi loai d'c nay d^ cung cap cho cac trai nuoi<br />
tdm su giddng d tan mQi Ca Mau; mdi nam thu lai tr^n<br />
chiing kien tan mat md hinh<br />
200 tridu ddng....<br />
mdi me, ddc dao nay. Chi<br />
Ngat cho biet: Dau nam<br />
2009, mdt ngifdi ban khi trd<br />
ve que cii d Khanh Hda sinh<br />
sd'ng da sang nhu'dng lai hd<br />
nudi va hifdng dan chu dao,<br />
day dii cho chi each thiic nudi<br />
dc cang xanh de tie'p tuc phat<br />
trien nghe nay. Chi lan ldi<br />
tim ra cac tinh phia Bac nhu"<br />
Quang Binh, Quang Tri, Hue<br />
hoac vao Binh Dinh, Phti<br />
Yen mua d'c cang xanh gid'ng<br />
ve tha nudi vi ngudn gid'ng Oc cdng xanh dugc nuoi tgi hg chi Nguyen Thi Ngdt d thon<br />
Tuye't Diem 2, xd Binh Thudn, huyen Binh San.<br />
tai dia phu'dng khdng dii. Rdi<br />
lai tim mua loai d'c hiit ve liic va thifdng de khoang 2 rdi mdi tha xud'ng ao. Dae<br />
phdi nang cho chet khd, tha thang sau mdi tha xud'ng hd. diem sdng ciia d'c cang xanh<br />
xudng hd de d'c cang xanh cd Neu d'c hiit mdi mua ve ma la an, ldn va khdng chiu chui<br />
ndi tru an mdi. Oc hiit phai da cd gid'ng d'c cang xanh thi trd lai vao chie'c vd cii ciia<br />
mua du" tri? dam ba tan mdt phai dem d'c hiit dd ludc chin minh ma lai kie'm mpt chie'c cr=<br />
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24 >:« THONG TIN KHOA HQC VA CONG NGHE - So' 05/2010<br />
vd ldn khae de tni ngu. Con nudi loai d'c nay tren dien nudi d'c cang xanh, chi Tin da<br />
d'c hiit ma thu'c ra la chie'c vd tich hd 3.600m'. De nudi d'c giiip cho 7 lao ddng ni? d dia<br />
dc hiit chinh la ndi cif trii mdi cang xanh, chi phai cai tao phifdng cd dufdc viec lam<br />
do. Dan gian gpi ten la d'c long hd nudi vdi cat, khdng thu'dng xuyen vdi mu'c thu<br />
gdi, d'c mifdn hdn la vi the. de lin tap biin reu va din nhap ti? 1,2 den 1,5 trieu<br />
Mdt kg dc cang xanh gid'ng ngudn nifdc Id ti? sdng Sud't ddng/thang. Ba Nguyen Thi<br />
cd gia 45.000 ddng va dc hiit chay vao hd. Nd, mdt ngifdi lam cdng cho<br />
cd gia 4.000 ddng/kg. Ngudn Thdng thifdng, chi Tin tha chi, cho biet: Nam nay, ba da<br />
thiic an cho d'c cang xanh la nudi theo ti le ci? 10 kg d'c bufdc sang tudi 76 va cd 4<br />
cac loai ca tap bam nhd va gid'ng cang xanh thi 10 kg d'c nam lam nghe cham sdc va<br />
khoai lang tifdi cat lat. Chi hiit va thu du'dc 12 kg d'c cang thu hoach d'c cang xanh. Mdi<br />
sau mpt ngay hay cao nha't la xanh thifdng pham, ban difdc ngay, ba du'dc chi Tin tra<br />
5-7 ngay la cd the thu hoach 660.000 ddng. Sau khi tru' chi cdng 40.000 ddng va lo cho<br />
de ban cho cac hd nudi tdm phi dau tuf mua d'c cang xanh cdm an, nu'dc ud'ng day dii.<br />
gidng d tinh Ca Mau vdi gia gidng, d'c hiit, thiic an, cdng Ba vui ve bao: Tuy tudi cao<br />
55.000 ddng/kg. Binh quan thu hoach va van chuyen... su'c yeu nhifng ba v i n sd'ng<br />
mdi thang, chi xua't ban tren chi cdn lai 95.000 ddng. Nhif "ngon lanh" bang si?c lao<br />
1 tan dc cang xanh, thu lai the, binh quan mdt kg d'c dpng ciia ban than, khdng<br />
tren 7 trieu ddng va mdt nam cang xanh lai 8.000 ddng. du'a d i m vao con chau, tat ca<br />
cho thu nhap khdng dufdi 80 Trung binh mdi nam chi san la nhd cd trai nudi dc cang<br />
trieu ddng. xua't va ban du'dc khoang 25 xanh ciia ehi Tin....<br />
Ciing tham gia vao md tan d'c cang xanh cho cac hd<br />
Md hinh nudi dc cang<br />
hinh nudi gid'ng d'c nay, chi nudi tdm su bd' me d tinh Ca<br />
xanh ciia hai hd dan d xa<br />
Nguyin Thi Tin, 40 tudi, cho Mau va thu ve gan 1,4 ty<br />
Binh Thuan qua that la mpt<br />
bie't: Vung hd ma gia dinh ddng. Sau khi tri? ehi phi, chi<br />
each lam mdi vufa dem lai<br />
chi nudi dc cang xanh tru'dc cdn lai khoang 200 trieu<br />
hieu qua kinh te cho gia dinh<br />
day chuyen nudi tdm sti. Do ddng/nam. Chi cQng cho<br />
viia giai quye't viec lam cho<br />
ngudn nifdc bi 6 nhilm bie^t, viec cac hd nudi tdm sii<br />
hang chuc lao ddng tai dia<br />
nghiem trpng, tdm bi dich gidng d tan Ca Mau tim den<br />
phu'dng. Hy vpng md hinh<br />
benh chet lien tuc, ngufdi dat hang dc cang xanh la do<br />
nay se du'dc nhan ra dien<br />
nudi bi thua Id nang ne danh tdm an nd rat It bi dich benh<br />
rdng de gdp phan lam phong<br />
bd hoang hda theo kieu "bd gay hai. Khi thu hoach dc<br />
phii them cho nganh nghe d<br />
cua chay lay ngufdi". Nam can de ndi khd rao thi rat d l<br />
«H^l| thdn ven bien; ddng<br />
2004, chi hpc du'dc each thiic, van chuyen, cdn ngifdc lai,<br />
thdi giiip cho ngifdi dan xda<br />
kinh nghiem nudi dc cang neu bd dc vao nifdc thi dc se<br />
b» du'dc ngheo ddi, tiing<br />
xanh ti? Nha Trang. Ve lai rdi vd va bi chet.<br />
bufdc Vlfdn len lam giau •<br />
que, chi da manh dan dau tif Dieu dang ndi la qua viec<br />
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THONG TIN KHOA HQC VA CONG NGH| - SoT 0 5 / 2 0 1 0