Phát triển chăn nuôi rắn trên địa bàn thị xã Chí Linh, tỉnh Hải Dương

Nghien cik - Trao doi

Phat trien Chan nudi ran

tren qa ban thj xa Chr Linh, tinh Hai Duang

O BUI TH! B^N

Sd Ndng nghidp vd Phdt triin Ndng thdn Hal DUdng

Lg THI PHL/ONG DUNG

Khoa Kinh ti, Cao ding ThOy sin Bdc Ninh

N

ghi Chan nudi ran d Chi

Linh, Hai Duong xuat

hien td ndm 1994, ban

dau vdi mdt vdi hd nudi sau dd

da phat tridn ddn vdi tram hd.

Tuy nhlSn, nhOhg nam gdn ddy,

nghd chdn nudi ran d Chi Linh

dang phai ddi mat vdi nhidu khd

khdn d ea khdu dau vdo va dau

ra. Dd la cdu hdi dat ra cho su

phdt tridn ben vQng cua nghd

ran hien nay.

NGUON SO UEU VA PHUONG

PHAP NGHIEN CCrU

Nguon so lidu

Ngudn sdlidu thUcip (sdlieu

da cdng bo)

Sd lidu thfl cdp dupe thu thap

thdng qua nhflng tai lieu ed sdn, tfl

cdc CO quan luu trfl tu lieu, sd lieu,

cac cd quan QLNN cd lidn quan

nhfl: Tdng cue ThDy san, Vu Nudi

trdng thDy san, Taing tdm Tin hpc

thdng kd, Tdng cue thdng ke, Chi

cue Thdng kd TX.Hai Dfldng,

Tnjng tam tin hpc thdng kd, Chi

cue Ldm nghiep... Cac edng trinh

nghidn cDu da cdng bd, thdng tin

trdn mang intemet.

Ngudn sd Bdu sacii3(sd Sdu mdi)

Di ed dupc sd lfldng mdu

hpp ly so vdi tdng thd mlu, bao

dam y nghTa thdng kd. Sd lupng

mau dupc dieu tra dUa tren tdng

the mau dupe dp dung theo cdng

thflc tfnh mau cDa Yamane (1967)

nhusau:

N

(1+NV )

Trong dd: n la so mau edn

dieu tra; N la tong the mau; e Id

mflc y nghTa thdng kd. Vdi mflc y

nghTa 90% hay e=0,1 nghidn cflu

dflpc tidn hanh tren 70 hp tren i^a

ban nghien cflu.

Ol thu thap thdng tin so cap,

nghien cflu sfl dung eac phuong

phap sau: Phdng van chuydn gia;

phdng van ban cau tnic; phdng

van eau true (70 hp dan tham gia

phdng van); thao luan nhdm; khao

sat vung nudi.

Phuong phap phan tfch va

xur ly so lieu

Sd lidu thu thap tien hanh tdng

hpp, sfl dung phuong phdp phdn to

thdng ke, sfl dung phan mem

Excel tfnh todn, phan tfch.

Cde phuong phap phan tfch

bao gdm phuong phap thdng ke

md ta, phuong phdp so sanh,

phuong phap ehuyen gia dupc sfl

dung nham dUa ra thuc trang,

nhdn cHnh, ddnh gia su phdt trien

va 6ua ra eac giai phdp cho hoat

dpng chan nudi ran.

K i r QuA VA THAO LUAN

Ky thuat chdn nudi: Hau hdt

cac CO sd nhan nudi cdn thidu kien

thflc, kinh nghiem ve chdn nudi

ran. Ky thudt nudi cDa ngfldi ddn

van chD yeu dite trdn kinh nghidm

la chfnh. Ben canh dd, tai dja

phfldng cung thid'u cac can bd

chuydn mdn, trang thidt bj va thude

phdng, trj cho ran. Hp gia dinh/co

sd ed ky thuat nhan nudi hodn thidn

chl chiem mpt phan nho (28%).

Thudc phdng vd tri bdnh cho

rdn: Hidn nay, do boat ddng chdn

nudi rdn d Chf Linh cdn mang tinh

chat tfl phdt, ehua phd bid'n, cdng

tac thD y, phdng chdng djeh bdnh

cho eac lodi nudi nay chfla phdt

then. Thudc dupc ngudl dan sfl

dung hien tai tnidng Id thudc dDng

eho cac loai nudi ti^ng thDy san

(tdm, ca) hodc cae bai thudc cd

tnjyen nhU rac vdi bpt, dd't cdy cd

ddu hoac thudc la nghien.

Cap giiy phdp dang ky nhdn

nudi ddng vdt hoang da: Theo bdo

eao cDa Chi cue kiem lam tinh Hal

Duong (2015), hau het eac hp

nhan nudi dpng vat hoang da da

hoan tat vide dang ky, ty Id dang ky

trai nudi dat 98%. Tfnh den nay

tren dia ban TX. Chf Linh da cd

177/181 hp dupc cap giay dD dieu

kien nudi sinh san ran.

Quy md chdn nudi tai Chf Linh

chD yeu mang tfnh chat nhd le -

quy md hp gia dinh. San pham chD

yeu Id ran thflOng pham, trUng ran

va dupc xudt nguyen con, chua

Tai nguy§n va Moi traong | K91 • Th^ng 9/2015 27