Tình hình nhiễm ký sinh trùng máu Leucocytozoon SP. trên đàn gà nuôi gia đình ở Thái Nguyên

KHOA HQC K? THUAT THU Y TAP XIX S6 1 2012

TINH HINH NHIEM KY SINH TRUNG MAU LEUCOCYTOZOON SP.

TREN DAN GA NUOI GIA DINH 6 THAI NGUYEN

Nguyin VdnSiru

Dgi hoc Nong Ldm Thdi Nguyen

T6M TAT

Qua dilu tra tinh hinh nhiem bfnh ky sinh triing mau Leucocytozoon sp. d gd nu6i tgi 3 huyfn cua

tinh Thai Nguyen, si dan gd mdc bfnh Id 49/129, ehilm 37,98% si ddn dilu tra. Ty If gd mdc bfnh

Leucocytozoon trung binh la 15,07 19% so gd dilu tra. So gd chit ehilm 42,48 53,33% si gd mdc

benh. Ty If Leucocytozoon sp. xdc djnh duge trong mdu gd mdc bfnh cao, ehilm 84,05% si gd kilm tra.

Ty If nhilm ed chilu hudng tdng din d dO tuii tir I - 6 thdng tuii. Khdng thay e6 sy khdc bift ro dii vdi

cac gi6ng ga.

Tir khod: Gd nu6i gia dinh, Leucocytozoon, Ty If ga mdc bfnh vd chit, TInh Thdi Nguyen

The situation of the blood parasite Leucocytozoon sp. infection

in scavenging chickens in Thai Nguyen province

Nguyen Van Suu

SUMMARY

The infection by the blood parasite Leucocytozoon sp. in scavenging chickens in Thai Nguyen province

was studied. The flocks identified as infected was 49/120 (representing 37.98% of the studied flocks). The

chicken prevalence of the infection by the Leucocytozoon sp. as determined by the blood examination was

84.05% and the mortality was 42.48 - 53.33%. The prevalence increased as a function of the age (from 1

to 6 month old). Difference in the prevalence was not found in the breeds of chickens.

Key words: Household sector chickens, Leucocytozoon, Morbidity, Mortality, Thai Nguyen province

I. DAT VAN Di

Hifn nay nhieu eo sd chdn nudi gd tap trung

cung nhu tha vudn tgi Thai Nguyen vd nhieu tinh

thanh d nudc ta xuit hifn hifn tugng mdi vf bfnh

tren dan ga nu6i. Benh phdt mgnh d giai dogn tir

1 5 thdng tuii, dgc bift d 1 3 thdng tuii, gd

mac bfnh gidm tang trpng, doi vdi gd de gidm ty

le de trumg ro rft va bfnh cd thl gay chit. Thdi

gian u benh thudng tir 4 7 ngdy, thl cap tfnh gd

chit nhanh, xudt huylt npi tgng, thilu mdu, phan

loang, mi kham thiy viem rupt ndng, xuit huylt,

ty If chit tdi 35 - 50% si ga bfnh.

Dya theo tinh hinh dien biln ciia bfnh, logi

trir cac benh dich thudng gdp, ed thl nghi ga

mdc bfnh ky sinh triing mau Leucocytozoon.

Dk hilu rd them vl van de nay, chiing tdi tiln

hdnh nghien ciru dieu tra tinh hinh nhiem ky

sinh triing mdu tren dan gd nu6i gia dinh tgi

Thai Nguyen.

II. NOI DUNG, V^T U$U VA PHUONG PHAP

NGHlfeNCtrU

2.1. Npi dung nghien ciru

Phat hifn KST Leucocytozoon trong mau

gd bfnh.

Xac dinh ty le gd mdc bfnh va chit do

Leucocytozoon tgi mpt si dilm nghien cim.

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