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    Hemagglutination, Hydrophobicity, Enterotoxigenicity, and Drug-Resistance Characteristics of Avian Escherichia coli
    (American Association of Avian Pathologists, 1989) Erganıs, O; Kaya, O; Corlu, M; Istanbulluoglu, E
    Caracteristicas hemoaglutinantes, hidrof6bicas, enterotoxigenicas y resistencia a drogas de Escherichia coli aviar. Se examinaron 35 cepas de Escherichia coli obtenidas de tejidos tomados a la necropsia de aves con septicemia provenientes de la regi6n de Konya, Turquia. Las caracteristicas examinadas fueron: hemoaglutinaci6n, hidrofobicidad en la superficie celular, enterotoxigenicidad y resistencia a las drogas. La prueba de hemoaglutinaci6n fue hecha con y sin manosa en cultivos vivos utilizando eritrocitos humanos (tipo A), bovinos, aviares (de pollo) y de cobayo. Nueve patrones hemoaglutinantes fueron observados. De las 35 cepas, 62.8% fueron sensibles a la manosa, 8.6% fueron resistentes y 28.6% no hemaglutinaron. El 85.7% de las cepas fueron hidrof6bicas usando la prueba de adici6n de sal. Solo 3 cepas fueron enterotoxig&nicas en la prueba con ratones lactantes. La mayoria de las cepas fueron resistentes al cloranfenicol, tetraciclina, estreptomicina, ampicilina, eritromicina y trimetropina + sulfametoxazola, pero fueron altamente sensibles a la gentamicina y al acido nalidixico.
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    Isolation of Acinetobacter Lwoffi From Hens With Septicemia
    (WILEY-BLACKWELL, 1989) Kaya, O; Ateş, M; Erganiş, O; Çorlu, M; Şanlıoğlu, S
    Acinetobacter lwoffi was isolated from the lungs of two hens. The isolate was sensitive to chloramphenicol, ampicillin, erythromycin, oxytetracycline but resistant to penicillin and nitrofurantoin.
  • Küçük Resim Yok
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    Melatonin supplementation to rats subjected to acute swimming exercise: Its effect on plasma lactate levels and relation with zinc
    (MAGHIRA & MAAS PUBLICATIONS, 2006) Kaya, O; Gokdemir, K; Kilic, M; Baltaci, AK
    OBJECTIVE: The objective of the present study is to examine the effect on melatonin supplementation on plasma lactate levels and its relation with zinc in rats subjected to acute swimming exercise. METHODS:Thirty adult male rats of Spraque-Dawley species were allocated to 3 groups, each containing an equal number of rats: general control group which was not subjected to any procedure (Group 1), the group which was subjected to 30 minutes acute swimming exercise (Group 2), and the group which was subjected to 30 minutes acute swimming exercise after 4-week intraperitoneal (i.p.) melatonin (3 mg/kg/day) supplementation. Lactate and zinc levels in the plasma were studied in the blood samples taken from the experimental animals by decapitation method. RESULTS:The animals in the control group, which was not subjected to any procedure (group 1), had higher lactate levels than those in groups 2 and 3 (p < 0,05). Lactate levels in the swimming group supplemented with melatonin (group 3) were lower than those in group 2 (swimming group) (p < 0,05). The highest plasma zinc levels were obtained in the melatonin-supplemented swimming group (group 3) (p < 0,05). Group 2 (swimming control) had the lowest plasma zinc levels (p < 0,05). CONCLUSION:Results of the study demonstrate that melatonin supplementation to rats subjected to acute swimming exercise reduces lactate levels, thereby delaying exhaustion. Increased zinc levels may be mediating this melatonin effect.