PAKISTAN
VETERINARY
JOURNAL
     
 
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Suspected Hairy Vetch (Vicia villosa) Poisoning with a Concomitant Babesiosis in Dairy Cows in Turkey
 
Hasan H. Oruc*, Sezgin Senturk1, Mufit Kahraman2, Veli Y. Cirak3 and Ezgi Akdesir2
Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Uludag University, 16059 Gorukle Kampusu, Bursa, Turkey; 1Department of Internal Medicine, 2Department of Pathology and 3Department of Parasitology, Faculty of Veterinary Medicine, Uludag University, 16059 Gorukle Kampusu, Bursa, Turkey

Abstract   

Nine Holstein cows were died between 3 October and 13 December of 2009 in Turkey. On this farm, all the dairy cattle (350) were being fed in two groups by the owner. The only difference between the rations was that the ration of group 2 was containing hairy vetch hay. It was noticed that all (except one dead) animal were in the Group 2. Clinical signs in affected animals prior to death were generally dramatic drop in milk yield, inconsistent fever, diarrhea, cutaneous lesions, listless, ruminal stasis, conjunctivitis, icterus, red urine and abortion in the pregnant animal. Anemia and Babesia bigemina were detected in hematologic analysis. There was disseminated vacuolar degeneration around vena centralis in liver, and the epithelium of the proximal tubules had severe swelling and had deeply eosinophilic epithelial cells and the lumens of tubules were disappeared in kidneys. It is considered that the cases presented here are mainly caused by hairy vetch as no more clinical signs and deaths were seen after 10 days of removal of hairy vetch from the animals’ ration.

Key words: Babesiosis, Dairy cow, Deaths, Hairy Vetch (Vicia villosa)

 
   

ISSN 0253-8318 (Print)
ISSN 2074-7764 (Online)



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