Detection of Anti-Neospora caninum Antibodies in Cattle in Adana Province of Turkey

Year 2018, Volume: 29 Issue: 2, 93 - 99, 20.09.2018

Funda Eşki , Armağan Erdem Ütük

Abstract

Neospora
caninum is an important aborting agent in cattle. In addition
to aborts, foetal deaths, resorption, mummification, autolysis, stillbirth,
symptomatic or persistently infected calf births, decreased milk production,
repeat breeder and premature culling occur in infected herds, which leads to
economic losses. The aim of this study was to determine the prevalence of anti-N. caninum antibodies in cattle in Adana
province of Turkey. For this purpose, 225 blood samples were collected from
cattle in different breed, age and sex in 15 counties of Adana. Obtained sera
were examined with c-ELISA test. At the end of the study, anti-N. caninum antibodies were detected in
24 out of 225 animals (10.7%). While the counties were grouped based on their
altitudes (0-99 m, 100-500 m and ≥501 m), the cattle were grouped in respect of
breeds (Holstein, crossbreed, others), ages (≤4 and ≥5) and sex (male and
female). Correlation between seropositivity and variants (altitude, breed, age
and sex) was investigated with chi-square (X²) test. There was no
statistical correlation between seropositivity and altitude, breed and sex
(P>0.05). Seropositivity rates were 15.8% at age of ≥5 and 6.9% at age of ≤4
in cattle. The correlation between age and seropositivity was statistically
significant (P<0.05). In this study, we evaluate the exposure rates of
cattle to N. caninum as well as the
correlation between seropositivity and different variants in Adana province of Turkey.

Keywords

Neospora caninum, Cattle, c-ELISA, Adana, Turkey

Türkiye’nin Adana Yöresi Sığırlarında Anti-Neospora caninum Antikorlarının Araştırılması

Abstract

Neospora caninum sığırların önemli
protozoal abort etkenlerinden biridir. Sığırlarda Neospora enfeksiyonlarında
abortlara ilave olarak fötal ölüm ve rezorbsiyon, mumifikasyon, otoliz, ölü
doğum, canlı ancak klinik semptom gösteren ya da persiste enfekte yavru
doğumları şekillenir. Enfeksiyonun görüldüğü sürülerde ayrıca süt veriminde
düşme, döl tutamama ve erken damızlıktan ayırma gibi ekonomik kayıplar da
ortaya çıkabilir. Bu çalışmanın amacı Adana yöresi sığırlarında anti-N. caninum antikorlarının yaygınlığını
belirlemekti. Bu amaçla Adana’nın 15 ilçesinden farklı ırk, yaş ve cinsiyette
toplam 225 sığırdan kan alındı ve elde edilen serumlar c-ELISA testi ile incelendi.
Çalışma sonucunda prevalans %10.7 (24/225) olarak belirlendi. İlçeler rakım
özelliklerine göre 0-99 m, 100-500 m ve ≥501
m olarak,
sığırlar ırk özelliklerine göre Holstein, melez ve diğerleri, yaşlarına göre de
≤4 ve ≥5 olarak gruplandırıldı. Rakım, ırk, yaş ve cinsiyet değişkenleri ile
seropozitiflik arasındaki ilişki ki-kare (X²) testi ile analiz
edildi. Rakım, ırk ve cinsiyet değişkenleri ile seropozitiflik arasında
istatistiki açıdan bir fark bulunamadı (P>0.05). 5 yaş ve üstü sığırlarda
seropozitiflik oranı %15.8 iken, bu oranın 4 yaş ve altındaki sığırlarda %6.9’a
düştüğü ve bu değerlerin istatistiki açıdan önemli olduğu (P<0.05) tespit
edildi. Bu çalışma ile Adana yöresi sığırlarının etkene maruziyet durumları ve
farklı değişkenler ile hastalığın yaygınlığı arasındaki ilişki
değerlendirilmiştir.

Keywords

Neospora caninum, Sığır, c-ELİSA, Adana, Türkiye

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