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Öğe Alteration in blood gases in cats naturally infected with Aelurostrongylus abstrusus(Wiley, 2011) Yildiz, K.; Duru, S. Y.; Gokpinar, S.Four cats were presented with respiratory signs and first-stage larvae of Aelurostrongylus abstrusus were found in faecal samples. Anthelmintic treatment was given to the infected cats and venous blood gases were analysed during the treatment period. Blood gas analysis suggested hypoventilation and respiratory acidosis in infected cats. Hypoventilation may be the result of airway obstruction by adults and larvae in respiratory bronchioles and the alveolar canals. The blood gas values had returned close to the physiological range by two months after treatment. Assessment of respiratory acidosis may aid development of additional treatment methods in cats infected with A. abstrusus.Öğe Canine peritoneal larval cestodosis in a dog(Schattauer Gmbh-Verlag Medizin Naturwissenschaften, 2011) Yildiz, K.; Tong, S.…Öğe The effect of albendazole and praziquantel on Strobilocercus fasciolaris in experimentally infected mice(Scientific Technical Research Council Turkey, 2001) Yildiz, K.; Doganay, A.This study was conducted to analyze the effects of albendazole and praziquantel on the development and treatment of S. fasciolaris. In order to determine the prophylactic effects on the development of S. fasciolaris, the drugs (albendazole and praziquantel) were given 2 days before the infection and for a period of 30 days. Also, to determine the effects of treatment, both drugs were given on the 63(rd) day of the infection and for a period of 14 days. The dosages of albendazole and praziquantel were 15 mg/kg (150 ppm) and 200 mg/kg (2000 ppm) respectively. They were given with the normal daily diet. In the group in which albendazole had a prophylactive effect on the development of S. fasciolaris, no macroscopic cystic development was observed. However, in the histological sections of the livers, some microscopic cystic structures were found. In the group in which the effects of the drug were tested ail the cysts were affected. In the group in which the prophylactic effects of praziquantel on cyst development were tested, it was observed that the drug had no effect on the development of cysts, but compared to the positive control group (no drugs given), the drug reduced the number of cysts in the liver. The effects of praziquantel on the developing S. fasciolaris were calculated to be 27.2%, The preventive effect of praziquantel on the developed S. fasciolaris was calculated to be 93.4%. As a result, while prophylactic effects of albendazole on the development of S. fasciolaris were observed, no such effects were observed with praziquantel. Both drugs were effective in the treatment of developing cysts.Öğe The First Report of Tritrichomonas foetus in Cats from Turkey(Israel Veterinary Medical Assoc, 2019) Yildiz, K.; Sursal, N.Tritrichomonas foetus has been identified in the ileum, cecum and colon of cats with large bowel diarrhea. The objective of this study was to identify whether T.foetus was present in cats with chronic diarrhea in Turkey. Fecal samples (n=45) were collected from cats with diarrhea presented to a number of pet clinics in Ankara province, Turkey. Fecal analysis was performed using saline wet mount preparations, cultures and PCR. T.foetus was detected in 4 out of 45 (8.8%) of the cats with chronic diarrhea by PCR analysis.The infection rate was highest (12%) in the age group <= 6 months (p<0.05). There was no significant difference between the frequency of infection in male and female cats (p>0.05). All cats in the study were mixed breed. The frequency of infection was higher in owned cats than in shelter cats (10% versus 6.6%), but this difference was not statistically significant (p>0.05). Giardia spp. and Toxocara leonina were found as co-infections in the cats infected with T. foetus. Two PCR positive results were sequenced and deposited in GenBank (MH400076 and MH490937). Pairwise genetic distance between our isolates and the isolates submitted to GenBank from other geographic areas displayed variation ranging from 0.0% to 1.2%. This is the first report of the presence of T. foetus in cats in Turkey. The results support the significance of T.foetus as a cause of chronic diarrhea in cats.Öğe Prevalence and Concentration of Sarcocystis spp. Microscopic Cysts in Sheep Muscles Using Percoll Gradient Centrifugation(Israel Veterinary Medical Assoc, 2014) Gokpinar, S.; Yildiz, K.; Gurcan, I. S.Percoll gradient centrifugation can purify different parasitic stages from tissues or faeces of hosts. Sarcocystis tenella and Sarcocystis arieticanis develop microscopically visible cysts in sheep muscles. In this study, the distribution of microscopic cysts were determined in different muscles groups of sheep naturally infected with Sarcocystis spp. by using percoll gradient centrifugation. Sarcocystis spp. microscopic cysts were detected as 91% of sheep. S. tenella and mixed infections with S. tenella and S. arieticanis were observed in the tissue samples at a prevalence of 91% and 18.7%, respectively. Sarcocystis species cysts were most prevalent in the tongue muscle tissue at a rate of 80%. The cysts were observed a rate of 73%, 69% and 61% in the masseter, intercostal muscles and diaphragm, respectively. The relationship between the cysts present and the different muscles groups was significantly different (p<0.001). The number of microscopic cysts ranged from 4-476 (mean 235) per 5 grams muscle samples. Percoll gradient centrifugation should be considered as an alternative method for detection of Sarcocystis spp. microscopic cysts in host muscles.Öğe The spread of canine monocytic ehrlichiosis in Turkey to central Anatolia(Israel Veterinary Medical Assoc, 2010) Yagci, B. B.; Yasa, Duru S.; Yildiz, K.; Ocal, N.; Gazyagci, A. N.Ehrlichia canis, a rickettsial agent, causes canine monocytotropic ehrlichiosis (CME) in dogs characterized by fever, anorexia, weakness, and lymphadenopathy. In most cases, after the acute stage, the disease regresses to an asymptomatic form which may progress into a more severe chronic and often fatal form. Once transmitted by Rhipicephalus sanguineus ticks, it reaches the spleen, liver, lymph nodes via blood and lymph vessels. In the present study, dogs of different breeds and ages submitted to our clinics for various health problems, many of them with tick infestations, were examined serologically for ehrlichiosis. Blood samples were collected from a total of 122 dogs (66 females and 56 males) and analyzed using a commercial immunofluorescence antibody test kit. Total blood count was conducted using an automated cell counter. Seropositivity was detected in 18 dogs (14.75%), among which 17 had no clinical findings while one had a non-specific cough. The seropositive dogs had no specific clinical or hematological signs. It was concluded that these dogs were probably in the subclinical phase of the disease. Seropositivity in male and female dogs was 12.12% and 17.85%, respectively. The result of this study is demonstrates the expansion of canine ehrlichiosis into the dry regions of Anatolia. Therefore, we recommend that dogs especially those with tick infestations should be examined serologically for ehrlichiosis as subclinically infected dogs usually exhibit no clinical signs or hematological changes and may for unknown reasons revert to the chronic severe and usually fatal form of CME.Öğe Studies of Al-Ti AHoys by SEM(Amer Inst Physics, 2007) Yildiz, K.; Atici, Y.; Kelioglu, K.; Yasar, E.Al-Ti (1, 2 wt. %) alloys were investigated by Scanning Electron Microscopy (SEM). SEM observations and energy-dispersive x-ray analyses (EDX) showed that the phase structure of Al-Ti (1 %) alloy at 165 mu m/s is composed of Al matrix and C, Ni, Fe and Si particles and the Al-Ti (1 %) alloys at 16 and 8 mu m/s have only the Al matrix and C particles. It was also found that the Al-Ti (2 %) form the Al matrix and intermetallic TiAl.
