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In the present study, we aimed to investigate for the first time the seroprevalence of feline coronaviruses (FCoV) in Van cats kept in a multiple-cat environment. A total of 24 male and 46 female Van cats aged between two months and nine years were used in the study. FCoV antibodies were determined using the commercial feline coronavirus antibody ELISA kit. The cats were examined clinically before blood sampling. No clinical signs of feline infectious peritonitis diseases were observed in the cats. But, out of the 70 cats, 38 (54.3%) showed seropositivity to FCoV. When the results were examined with regard to gender, 28 (60.9%) of female cats, and 10 (41.7%) of male cats were seropositive. When the results were examined with regard to age, out of the 18 cats aged between two months and one year, three (16%) were seropositive, out of the 10 cats aged between one to two years - eight (80%), out of the 27 cats aged between two to five years - 15 (55.5%), out of the 13 cats aged between five to eight years - 11 (84%), and all cats (two) aged over eight years showed seropositive reaction to FCoV.
This review is characterizing the 4 following Coronaviruses, being etiological agents of correspondent diseases occurring in swine: transmissible gastroenteritis virus (TGEV) and transmissible gastroenteritis; porcine respiratory coronavirus (PRCV), being a mutant of TGEV, and porcine respiratory coronavirus infection; porcine epidemic diarrhea virus (PEDV) and porcine epidemic diarrhea; hemagglutinating encephalomyelitis virus (HEV) and vomiting and wasting disease. In case of TGE and porcine respiratory coronavirus infection particularly the laboratory diagnostic tests were mentioned, enabling the differential diagnosis of the two mentioned diseases. In case of porcine epidemic diarrhea the clinical symptoms and pathologic lesions were presented. Laboratory diagnosis, indicating particularly RT-PCR as a valuable diagnostic test for the identification of the virus, was mentioned. This was followed by the information concerning prevention and control of the disease. As an important procedure of preventing PED introduction to the farm the effective biosecurity, referring to humans, vehicles and equipment contacting with the swine, was suggested as obligatory. Following this the HEV and the vomiting and wasting disease was shortly described. Two main clinical pictures of the infection, occurring in pigs below 3-4 weeks of age as the consequence of the neurotropism of HEV, were indicated. It also was underlined that the etiological agent is endemic in both breeding and fattening swine.
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