Reza KHEİRANDİSH, Hadi TAVAKKOLİ, Reza GHANBARPOOR, Zahra MOHSENİ

Systemic staphylococcosis in partridge chicks

.Amaç: Staphylococcus enfeksiyonu kanatlılarda öncelikli olarak Staphylococcus aureus tarafından oluşturulur. Oyun kuşlarında gözlenen staphylococcosis ile ilgili çok fazla bilgi bulunmadığı için bu araştırma keklik civcivlerinde gerçekleştirildi. Gereç ve Yöntem: Alectoris chukar (18 gün) sistemik staphylococcosis, damar içi canlı Staphylococcus aureus (106 cfu/mL) uygulaması ile gerçekleştirildi. Bulgular: Uygulamadan sonraki 30. saatte ateş gözlendi. Uygulamadan sonraki 48. saatte ise hayvanlarda belli bir yerde toplanma, letarji, tüylerde karışıklık, hareketlilikte azalma, ayakta duramama, kanatlarda düşme, yem ve su tüketiminde azalma, topallık ve depresyonu içeren ağır klinik belirtiler gözlendi. İç organların makro ve histopatolojik incelenmesinde beyin, kalp, pankreas, sindirim sistemi, akciğer, dalak, böbrek, eklem ve tendo kılıflarında lezyonlar belirlendi. Keklik civcivlerinde sistemik staphylococcal enfeksiyonda etkilenen organlarda yaygın heterofilik infiltrasyon, sinovitis, artritis, apse, tromboz, vasküler konjesyon ve nekrozler bulunduğu belirlendi. Öneri: Hayvanlarda gözlenen farklı klinik belirtiler ve lezyonlar, keklik civcivlerinin sistemik staphylococcosise duyarlı olduğunu göstermektedir.

Keklik civcivlerinde sistemik staphylococcosis.

Tavakkoli H, Kheirandish R, Ghanbarpoor R, Mohseni Z. Systemic staphylococcosis in partridge chicks.Aim: Staphylococcus infection is primarily caused by Staphylococcus aureus in poultry. Because little information was available in the literature about game birds experiencing staphylococcosis, this investigation was undertaken to evaluate the disease in partridge chicks. Materials and Methods: Systemic staphylococcosis was induced in 18 days old Alectoris chukar by intravenous injection of a suspension containing 106 cfu/mL of viable Staphylococcus aureus organisms. Results: Injection resulted in a fever response after 30-hours post-inoculation. The disease rapidly developed over the 48hour period with potentially devastating consequences, including huddling, lethargy, ruffled feathers, decreased activity, unable to stand, wing droop, decreased feed and water consumption, growth depression and lameness. Gross and histopathological examination of internal organs revealed that the injuries originally occurred in the kidneys, liver, spleen, lungs, alimentary tract, pancreas, heart, brain, joints and tendons sheaths. Lesions of systemic staphylococcal infection in partridge chicks consist of necrosis, vascular congestion, thrombosis, abscess formation, arthritis, synovitis and marked heterophilic infiltration in affected organs. Conclusion: The diversity of clinical signs and lesions observed suggests the susceptibility of chukar partridge chicks to systemic staphylococcosis.

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