19 research outputs found
Identification of the Infested Gray Mullets (Mugil cephalus L. 1758) by Myxobolus ichkeulensis Level in the Coast of Adana
Myxobolus ichkeulensis Bahri & Marques,1996, Has kefal (Mugil cephalus)'lerin solungaçlarını enfeste ettiği bilinen Myxozoa sınıfına dahil bir balık paraziti türüdür. M. ichkeulensis'in farklı mevsimlerde ve çevresel koşullarda yaşayan Has kefaller'de oluşturduğu enfestasyon düzeylerinin belirlenmesi amacıyla yapılan bu çalışmada, Adana ili sınırları içerisinde yer alan ve farklı özelliklere sahip 4 ayrı bölgeden (Karataş Liman İçi, Hurma Boğazı Dalyanı, Çamlık Lagünü ve Yumurtalık Liman İçi) aylık 25'er adet Has kefal örneklemesi yapılarak enfestasyon oranları belirlenmiştir. Ayrıca balık boyu ve ağırlığı, mevsim ve tuzluluk değerlerine göre enfestasyon düzeyleri belirlenmiştir. İncelenen 1200 adet balık bireyinden 109 bireyin (%9,08) M. ichkeulensis ile enfeste olduğu, yaz aylarında (Temmuz-Eylül) enfestasyon düzeyinin diğer mevsimlere oranla daha yüksek (%35,8) olduğu saptanmıştır. Parazit kistlerinin solungaç üzerindeki yerleşim yeri oranları, I. solungaç kemerinin en yüksek (%48,2) olduğu belirlenmiştir. Ayrıca, örnekleme alanları arasında yapılan karşılaştırmaya göre ise, en yüksek enfestasyon oranı (%21) Yumurtalık Limanı içinden yakalanan Has kefaller'de gözlemlenmiştir.Myxobolus ichkeulensis is one of the species fish parasites within the class Myxozoa that infests the gill filaments of grey mullet (Mugil cephalus). M. ichkeulensis infestation rates vary depending on environmental conditions and seasonal variations. In this research, seasonal infestation ratio of M. ichkeluensis on Grey Mullets living in 4 different environmental conditions, were determined. To accomplish this aim, 25 Grey Mullet individuals were captured monthly from 4 different stations (Karataş Port, Hurma Boğazı Lagoon, Çamlık Lagoon and Yumurtalık Port) within the coastal region of Adana province. In addition, relation between infestation ratio and the following parameters: fish size (length and weight); season and salinity were investigated. Our results revealed that, 109 fish infested out of 1200 fishes (%9.08) by M. ichkeulensis; Highest infestation level (%35.8) was recorded in summer months (July-September) interval. Parasitic cyct settlement on the gill arches was determined to be with the highest rate (48.2%) on the fist arc. The highest infestation level (21%) was recorded in Grey Mullets captured from Yumurtalık Port in comparison to other stations studied
Identification of the Infested Gray Mullets (Mugil cephalus L. 1758) by Myxobolus ichkeulensis Level in the Coast of Adana
Myxobolus ichkeulensis is one of the species fish parasites within the class Myxozoa that infests the gill filaments of grey mullet (Mugil cephalus). M. ichkeulensis infestation rates vary depending on environmental conditions and seasonal variations. In this research, seasonal infestation ratio of M. ichkeluensis on Grey Mullets living in 4 different environmental conditions, were determined. To accomplish this aim, 25 Grey Mullet individuals were captured monthly from 4 different stations (Karataş Port, Hurma Boğazı Lagoon, Çamlık Lagoon and Yumurtalık Port) within the coastal region of Adana province. In addition, relation between infestation ratio and the following parameters: fish size (length and weight); season and salinity were investigated. Our results revealed that, 109 fish infested out of 1200 fishes (%9.08) by M. ichkeulensis; Highest infestation level (%35.8) was recorded in summer months (July-September) interval. Parasitic cyct settlement on the gill arches was determined to be with the highest rate (48.2%) on the fist arc. The highest infestation level (21%) was recorded in Grey Mullets captured from Yumurtalık Port in comparison to other stations studied
Determination of ectoparasites on two tilapia species ( Oreochromis niloticus L.,1758 and Oreoctromis aureus Steindacher, 1864 )
Bu çalışmada, Çukurova Üniversitesi Su Ürünleri Fakültesi'ne bağlı Balık Üretim Tesisleri'nde yetiştiriciliği yapılan Tilapia (Oreochromis niloticus Linneaus, 1758, Oreochromis aureus Steindachner, 1864)'larda deri, yüzgeç ve solungaçları üzerinde yaşayan ektoparazit taranması ve mevsimsel dağılımları ortaya konulmaya çalışılmıştır. Çalışma 180 adet balık bireyi üzerinde Haziran 1998-Temmuz 1999 tarihleri arasında yürütülmüştür. Bu araştırma sonucunda Chilodonella cyprini MorolT, 1902 (Ciliata: Holotricha: Chlamydodontidae), Trichodina acuta Lom, 1961 (Ciliata: Perithricha: Urceolariidae), Dactylogyrus vastator Nybelin, 1924 (Monogenea: Dactylogyridea: Dactylogyridae) türleri tesbit edilmiştir. Ektoparazitlerin yaz ve ilkbahar aylarında sayıca azaldığı, sonbaharda nispeten arttığı ve kış aylarında yüksek oranda bulunduğu görülmüştür. Ayrıca parazitli bireylerin boy ve ağırlık yönünden daha düşük değerlere sahip olduğu belirlenmiştir.Determination of ectoparasites on two tilapia species (Oreochromis niloticus L., 1758 and Oreochromis aureus Steindacher, 1854). This study was carried out in Freshwater Fish Culture Unit of Fisheries Faculty at University of Çukurova on ectoparasites of some Tilapia species (Oreochromis niloticus Linneaus 1758, Oreachromis aureus Steindachner, 1864). The research was accomplished during four seasons between the dates of June 1998 and July 1999, and consisted of 180 fish. Chilodonella cyprini Moroff, 1902 (Ciliata: Holotricha: Chlamydodontidae), Trichodina acuta Lom, 1961 (Ciliata: Perithricha: Urceolariidae), Dactylogyrus vastator Nybelin, 1924 (Monogenea: Dactylogyridea: Dactylogyridae) were observed. The results show that in the summer and spring months numbers were reduced, and in the fall months numbers were gradually increase, while in the winter months showed to be higher numbers. When nonoarasitised to Tilapia species were compared, parasitised were less larger in length and weight values
Determination of acute phase proteins after experimental Streptococcus iniae infection in tilapia (Oreochromis niloticus L.)
Tilapia (Oreochromis niloticus Linnaeus, 1758) were infected with Streptococcus iniae (Cat No: ATCC 29178) and the plasma changes in the acute phase protein (APP) members were examined at different time periods. A total of 72 fish with average body weights of 60 g were used. Fish in the infected group (group I) were intraperitoneally injected with S. iniae at 3.3 x 105 colony forming unit (CFU) in 0.1 mL level to the fish. The other group (group II) was subjected to handling stress near the infection. The control group was constituted by providing optimum conditions. On days 7, 14, and 21, blood samples were taken from the caudal veins of the fish under the appropriate anesthesia. The samples were examined on the basis of APPs, C-reactive protein (CRP), fibrinogen (FB), serum amyloid A (SAA), and transferrin (TF) and the changes in the plasma values were recorded. The internal and external symptoms seen during the examinations were detected as follows: the color concentration in 1-2 days in the infected groups, irregularity and retardation in the movements of the fish, hyperemic spots on the skin, and bloody effusion in the internal organs. In both of the infected groups, the CRP and SAA plasma values increased on days 7, 14, and 21 (P < 0.05). Remission was observed in the plasma TF levels in the first week; however, after the second week the levels reached normal values. Decreases in the FB levels of all of the samples were detected. Based on the data acquired in this study, it was concluded that changes in the plasma levels of the APP members can be used as a significant bioindicator in the pathogenesis of the disease in fish infections.Tilapia (Oreochromis niloticus Linnaeus, 1758) were infected with Streptococcus iniae (Cat No: ATCC 29178) and the plasma changes in the acute phase protein (APP) members were examined at different time periods. A total of 72 fish with average body weights of 60 g were used. Fish in the infected group (group I) were intraperitoneally injected with S. iniae at 3.3 x 105 colony forming unit (CFU) in 0.1 mL level to the fish. The other group (group II) was subjected to handling stress near the infection. The control group was constituted by providing optimum conditions. On days 7, 14, and 21, blood samples were taken from the caudal veins of the fish under the appropriate anesthesia. The samples were examined on the basis of APPs, C-reactive protein (CRP), fibrinogen (FB), serum amyloid A (SAA), and transferrin (TF) and the changes in the plasma values were recorded. The internal and external symptoms seen during the examinations were detected as follows: the color concentration in 1-2 days in the infected groups, irregularity and retardation in the movements of the fish, hyperemic spots on the skin, and bloody effusion in the internal organs. In both of the infected groups, the CRP and SAA plasma values increased on days 7, 14, and 21 (P < 0.05). Remission was observed in the plasma TF levels in the first week; however, after the second week the levels reached normal values. Decreases in the FB levels of all of the samples were detected. Based on the data acquired in this study, it was concluded that changes in the plasma levels of the APP members can be used as a significant bioindicator in the pathogenesis of the disease in fish infections
Determination of some haematological parametes in spotted barb (Capoeta barroisi lortet,
This study was conducted in Seyhan River between May 1997 and May 1998. Basic haematological parameters and effects of seasonal differences on these parameters were determined in Roach (Rutilus rutilus, Linnaeus, 1758) and Spotted Barb (Capoeta barroisi, Lortet, 1894) species which had adapted to water polluted by agricultural, industrial and domestic wastes. The waste of slaughterhouses also flowed into the region. The results of the study showed that there were deviations from standard values for most of the haematological parameters for R. rutilus indicating that R. rutilus individuals were affected by environmental stress factors more than those of C. barroisi.This study was conducted in Seyhan River between May 1997 and May 1998. Basic haematological parameters and effects of seasonal differences on these parameters were determined in Roach (Rutilus rutilus, Linnaeus, 1758) and Spotted Barb (Capoeta barroisi, Lortet, 1894) species which had adapted to water polluted by agricultural, industrial and domestic wastes. The waste of slaughterhouses also flowed into the region. The results of the study showed that there were deviations from standard values for most of the haematological parameters for R. rutilus indicating that R. rutilus individuals were affected by environmental stress factors more than those of C. barroisi
Determination of some blood parameters in mirror carps (Cyprinus carpio, Linnaeus, 1758) living in Seyhan Dam Lake and Seyhan River
This research was carried out on mirror carps ( Cyprinus carpio, L.,1758) taken from Seyhan Dam Lake and Seyhan River between January and October 1996 to determine some blood parameters. Erythrocyte, leucocyte count, leucocyte cell formulas, total serum protein and serum glucose values of mirror Carps ( Cyprinus carpio, L.,1758 ) caught from Seyhan Dam Lake and Seyhan River were also compared statistically. Different values were recorded in erythrocyte and serum protein amounts for both environments (0.05).This research was carried out on mirror carps ( Cyprinus carpio, L.,1758) taken from Seyhan Dam Lake and Seyhan River between January and October 1996 to determine some blood parameters. Erythrocyte, leucocyte count, leucocyte cell formulas, total serum protein and serum glucose values of mirror Carps ( Cyprinus carpio, L.,1758 ) caught from Seyhan Dam Lake and Seyhan River were also compared statistically. Different values were recorded in erythrocyte and serum protein amounts for both environments (0.05)
Two new records of Myxobolus Butschli, 1882 (Myxozoa, Myxosporea, Myxobolidae) species from Turkey
WOS: 000300803000005Two different myxosporean fish parasites (Myxobolus episquamalis Egusa, Maeno & Sorimachi, 1990 and Myxobolus ichkeulensis Bahri & Marques, 1996) are reported based on samples found on the scales and gill arches of flathead mullet (Mugil cephalus) captured from Camlik Lagoon, located on the northeastern Mediterranean coast of Turkey. Both parasites were found for the first time on flathead mullet from the Turkish coasts. In addition to the data concerning spore morphology and the dimensions of both species, new additional taxonomic observations are presented. Furthermore, asynchronous polar capsule maturation was observed in transmission electron microscope images of both species
Seasonal variation and pathology associated with helminthes infecting two serranids (Teleostei) of Iskenderun Bay (Northeast Mediterranean Sea), Turkey
This study presents a detailed record of the philometrid nematodt, Philometm lateolabmcis (Nematoda: Philometridae) and trypanorhynch pleurocercoid, Grillotia sp. (Cestoda: Trypanorhynchia) in white grouper, Epinephelus aeneus, and dusky grouper, E. marginatus, from iskenderun Bay, Turkey, during 2000-2003. A total of 885 (418 white and 467 dusky grouper) serranids were sampled during the research period. Of these fish, 130 (31.1%) white and 118 (25.3%) dusky groupers were found infected with helminthes. In order to estimate the influences of helminthic infestation on fish growth, the length-weight relationship was determined. Trypanorhynch cestodes larvae were collected only from the external mesenteries of the internal organs, whereas philometrid nematodes were found in the ovary of the infected fish. Severe pathologic changes were detected in the ovary tissues of white groupers infected with P. lateolabracis.This study presents a detailed record of the philometrid nematodt, Philometm lateolabmcis (Nematoda: Philometridae) and trypanorhynch pleurocercoid, Grillotia sp. (Cestoda: Trypanorhynchia) in white grouper, Epinephelus aeneus, and dusky grouper, E. marginatus, from iskenderun Bay, Turkey, during 2000-2003. A total of 885 (418 white and 467 dusky grouper) serranids were sampled during the research period. Of these fish, 130 (31.1%) white and 118 (25.3%) dusky groupers were found infected with helminthes. In order to estimate the influences of helminthic infestation on fish growth, the length-weight relationship was determined. Trypanorhynch cestodes larvae were collected only from the external mesenteries of the internal organs, whereas philometrid nematodes were found in the ovary of the infected fish. Severe pathologic changes were detected in the ovary tissues of white groupers infected with P. lateolabracis