Sığırlarda hemorajik bağırsak sendromu

Yıl 2019, Cilt: 4 Sayı: 2, 108 - 112, 31.12.2019

Nuri Mamak Mehmet Kazim Börkü

https://doi.org/10.24880/maeuvfd.638881

Cited By: 1

Öz

Hemorajik bağırsak sendromu,  daha yaygın olarak sütçü ve etçi sığırlarda
görülen ölüm oranı yüksek bir hastalıktır. Akut, sporadik ve nekrohemorajik
enterit olarak sınıflandırılır. Süt verimi yüksek sığırlarda yaygın olarak
görülür. Hemorajik bağırsak sendromu'nun nedeni belirsizdir ve patogenezi tam
olarak anlaşılamamıştır. Primer etiyolojik etkenin Clostridium perfringens tip A olduğu ağırlıklı bir
şekilde öne sürülmüş olup, etkenin alfa ve beta2 toksininin, hastalığın
oluşumunda önemli bir rolü olduğu düşünülmektedir. Hastalık, özellikle
laktasyondaki süt ineklerinde, laktasyonun ilk 3 ayında görülür. Rasyon, hemorajik
bağırsak sendromu gelişiminde en önemli predispozan faktör olarak
görülmektedir. İnce bağırsaklardaki şiddetli toksemi (enterotoksemi) ve yoğun
hemoraji, bağırsaklarda patolojik değişikliklere neden olur. Spesifik bir hemorajik
bağırsak sendromu bulgusu olan bağırsak lumenindeki kan pıhtılaşması,
sendromdan etkilenen ineklerin sadece % 19'unda tespit edilebilir. Teşhis;
genellikle klinik, ultrason ve nekropsi bulgularına dayanır ve teşhis, ayrıca salmonellozis,
Bovine Viral Diarrhea ve koksidiyoz vb. kaynaklı diğer hemorajik enteritlerin
ayırıcı tanısı ile olur. Prognoz kötüdür ve ölüm oranı, yoğun medikal ve şirurjikal
tedaviye rağmen yaklaşık % 100'dür. Hastalığın kontrolü için yem katkı
maddelerinin kullanımı, iyi beslenme yönetimi ve aşı uygulaması önerilmektedir.

Anahtar Kelimeler

Clostridium perfringens, sığır, HBS, hemorrhagic bağırsak sendromu, jejunal hematom, jejunal hemorajik sendrom

Hemorrhagic bowel syndrome in cattle

Öz

Hemorrhagic bowel syndrome is relatively
common disease in dairy and beef cattle which has high fatality rate. It is classified
as acute, sporadic and necrohemorrhagic enteritis. It is commonly seen in
highly productive dairy cattle. The cause of hemorrhagic bowel syndrome is
unclear and the pathogenesis is not well-understood. As a primary etiologic
agent Clostridium perfringens type A has been strongly proposed and its
alpha and beta2 toxin are suggested to have an important role in occurence of
the disease. Disease especially occur in lactating dairy cows in the first 3
months of lactation. Ration is seem to be the most important predisposing
factor in the development of hemorrhagic bowel syndrome. Severe toxemia
(enterotoxemia) and intense hemorrhage in the small intestine cause
pathological changes in the intestine. The blood clots in the intestinal lumen,
a specific finding of hemorrhagic bowel syndrome can only be demonstrated in
19% of affected cows. Diagnosis is often based on the clinical, ultrasound and
necropsy findings and also with differential diagnosis of other haemorrhagic
enteritis caused by salmonellosis, Bovine Viral Diarrhea and coccidiosis etc. Prognosis
is poor and fatality rate is nearly 100% despite intensive medical and surgical
therapy. The use of feed additives, good nutritional management and vaccine
administration are recommended for disease control.

Anahtar Kelimeler

Clostridium perfringens, cattle, HBS, hemorrhagic bowel syndrome, jejunal hematoma, jejunal hemorrhagic syndrome

Kaynakça

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