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2002

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Articles 511 - 540 of 671

Full-Text Articles in Animal Sciences

Visceral Larva Migrans In Mice Caused By Eating Toxocara Canis-Infected Chick Livers, Erkut Tüzer, Müfi̇t Toparlak, Ayşen Gargili, Aynur Gülanber, Vedat Keleş, İlker Efi̇l, Meltem Ulutaş Esatgi̇l Jan 2002

Visceral Larva Migrans In Mice Caused By Eating Toxocara Canis-Infected Chick Livers, Erkut Tüzer, Müfi̇t Toparlak, Ayşen Gargili, Aynur Gülanber, Vedat Keleş, İlker Efi̇l, Meltem Ulutaş Esatgi̇l

Turkish Journal of Veterinary & Animal Sciences

In this study, two subjects, 1) whether Visceral Larva Migrans (VLM) takes place when T. canis larvae-infected chick livers are eaten and 2) whether any differences are present between larval distributions, clinical signs and pathological disorders of the infections caused by eggs and infected liver, were investigated in the chick-mouse model. For this purpose, 15-day-old broiler chicks (n=42) and 3-month-old albino mice (n=62) were used. Thirty chicks were each infected orally with 5000 infective T.canis eggs. These chicks, composed of 6 groups, were necropsied at 2-day intervals and their livers were fed to 42 mice in 6 experimental groups. In …

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Seronegative Findings On The Investigations Of Equine Infectious Anemia In The Marmara Region Of Turkey, Nuri̇ Turan, Hüseyi̇n Yilmaz, Abdülkadi̇r Uysal, Murat Arslan Jan 2002

Seronegative Findings On The Investigations Of Equine Infectious Anemia In The Marmara Region Of Turkey, Nuri̇ Turan, Hüseyi̇n Yilmaz, Abdülkadi̇r Uysal, Murat Arslan

Turkish Journal of Veterinary & Animal Sciences

A total of 404 horses was examined from the selected cities (Istanbul, Bursa, Balıkesir) of the Marmara region of Turkey. Blood was collected from all horses and the sera were analyzed for the presence of antibodies to equine infectious anemia virus (EIAV) using an agar gel immunodiffusion (AGID) test. The results revealed that none of the horses were positive for antibodies to EIAV.

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Transformation And Stability Of Cloned Polysaccharidase Genes In Gram-Positive Bacteria, Mehmet Sai̇t Eki̇nci̇, Harry J. Flint Jan 2002

Transformation And Stability Of Cloned Polysaccharidase Genes In Gram-Positive Bacteria, Mehmet Sai̇t Eki̇nci̇, Harry J. Flint

Turkish Journal of Veterinary & Animal Sciences

Polysaccharidase genes from rumen bacteria were transferred to and expressed in ruminal and non-ruminal Gram-positive bacteria. The transformation efficiency and genetic stability of polysaccharidase genes in bacteria from different habitats were investigated. PCR amplification of cloned polysaccharidase genes from Escherichia coli, Lactococcus lactis, Enterococcus faecalis, Streptococcus sanguis and S. bovis strain 26 showed that rearrangement of plasmid and the gene fragment did not occur. The DNA band sizes from all primers agreed with the expectations of some transformants of S. bovis JB1 being rearranged. In spite of the rearrangement in S. bovis JB1 polysaccharidase activities were conserved. Growing in the …

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Contamination Of Children's Playground Sandpits With Toxocara Eggs In İstanbul, Turkey, Müfi̇t Toparlak, Ayşen Gargili, Erkut Tüzer, Vedat Keleş, Meltem Ulutaş Esatgi̇l, Handan Çeti̇nkaya Jan 2002

Contamination Of Children's Playground Sandpits With Toxocara Eggs In İstanbul, Turkey, Müfi̇t Toparlak, Ayşen Gargili, Erkut Tüzer, Vedat Keleş, Meltem Ulutaş Esatgi̇l, Handan Çeti̇nkaya

Turkish Journal of Veterinary & Animal Sciences

In this study conducted in İstanbul, the contamination of sandpits in children's playgrounds with Toxocara eggs was investigated. For this purpose, a total of 132 sand samples were taken from the sandpits of 63 playgrounds between November 1998 and September 1999. Toxocara eggs were found in 10 (15.9%) of 63 playgrounds. A total of 22 eggs were recovered. The average egg number per 100 g of sand was found to be 0.067 for the overall examined playgrounds and 0.44 (ranging from 0.2 to 1.2) for the contaminated ones.

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Effects Of 5-Fluorouracil And Mitomycine-C On Glaucoma Filtration Surgery In Rabbits, Servet Kiliç, Aydin Gi̇rgi̇n Jan 2002

Effects Of 5-Fluorouracil And Mitomycine-C On Glaucoma Filtration Surgery In Rabbits, Servet Kiliç, Aydin Gi̇rgi̇n

Turkish Journal of Veterinary & Animal Sciences

The purpose of this study was to examine the effects of 5-fluorouracil (5-FU) and mytomycine-C (MMC) on the success rate of glaucoma filtration surgery (GFS). A superior fornix-based conjunctival flap was created on the right eyes of 12 rabbits divided randomly into three equal groups termed groups 1, 2 and 3. After a small piece of sponge soaked with balanced salt solution (BSS) in group 1 (control), 5-FU (50 mg/ ml) in group 2 and MMC (0.02 mg/ ml) in group 3 was kept on the filtration sites for 5 minutes, the filtration fistula (sclerectomy) was performed and the flap …

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Salmonella Enteritidis In Quail Eggs, Özlem Turgay, Nuh Özkan, Emel Çakiroğlu Jan 2002

Salmonella Enteritidis In Quail Eggs, Özlem Turgay, Nuh Özkan, Emel Çakiroğlu

Turkish Journal of Veterinary & Animal Sciences

The presence of Salmonella enteritidis was investigated in 123 liquid whole quail eggs. Salmonella strains were identified and sero-grouped by coagglutination test and slide agglutination test. Seven (5.69%) of 123 whole quail eggs were in group D1 and were sero-typed as Salmonella enteritidis. It was found that in phage-typing of Salmonella enteritidis, three of 7 strains were Salmonella enteritidis PT4 , two of them were PT1, one of them was PT7, and one of them was indefinite.

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Investigation Of In Vitro Effects Of Fluoride On Bovine Sperm, Sadetti̇n Tanyildizi, Tanzer Bozkurt Jan 2002

Investigation Of In Vitro Effects Of Fluoride On Bovine Sperm, Sadetti̇n Tanyildizi, Tanzer Bozkurt

Turkish Journal of Veterinary & Animal Sciences

The in vitro effects of various concentrations of sodium fluoride on the percentages of motile spermatozoa and abnormal spermatozoa with the hyaluronidase activities of semen were investigated. Holstein bulls (n=20), aged between 4 and 5 years, were used in this study. The semen samples obtained from all animals were divided into five parts and one of them was used as the control sample. Sodium fluoride solutions were prepared at concentrations of 30, 60, 120 and 240mM and then these solutions were mixed 1:1 with semen samples to determine semen hyaluronidase activity, sperm motility and morphological abnormality of spermatozoa at 5, …

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Comparing The Birth Rates Of Microinjected Hybrid Mouse Zygotes Transferred Into Outbred And Hybrid Foster Mothers, Haydar Bağiş, Levent Keski̇ntepe, Hande Odaman Mercan, Hakan Sağirkaya, Şaki̇r Sekmen Jan 2002

Comparing The Birth Rates Of Microinjected Hybrid Mouse Zygotes Transferred Into Outbred And Hybrid Foster Mothers, Haydar Bağiş, Levent Keski̇ntepe, Hande Odaman Mercan, Hakan Sağirkaya, Şaki̇r Sekmen

Turkish Journal of Veterinary & Animal Sciences

The purpose of this study was to compare the birth rates after transfers of microinjected hybrid mouse zygotes into hybrid CB6F1 (C57BL/6J X BALB/c) and outbred CD-1 foster mothers. One or two hours after microinjection of a \beta -actin-Gfp gene construct into the male pronucleus, hybrid mouse zygotes were transferred into CB6F1 and CD-1 foster mothers. In addition, non-microinjected hybrid zygotes were transferred into foster mothers of both strains. The overall data demonstrate that outbred CD-1 foster mothers are a better choice for transfer of microinjected hybrid mouse embryos, and there was a statistical difference between the transfers of microinjected …

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Correction Of Experimentally Induced Facial Paralysis With Great Auricular Nerve - Facial Nerve Coaptation, Ömer Beşalti, Ahmet Özak, Fatma Eser Özgenci̇l, Oğuz Kul, Faruk Akin, Kamuran Pamuk Jan 2002

Correction Of Experimentally Induced Facial Paralysis With Great Auricular Nerve - Facial Nerve Coaptation, Ömer Beşalti, Ahmet Özak, Fatma Eser Özgenci̇l, Oğuz Kul, Faruk Akin, Kamuran Pamuk

Turkish Journal of Veterinary & Animal Sciences

The aim of the study was to investigate the possibility of using great auricular nerve - facial nerve (GAN-FN) coaptation in the correction of experimentally induced facial paralysis according to clinical, histological and histomorphometrical analysis in dogs. Five mongrel dogs of different age (range 2 to 6 years) and sex (2 male and 3 female) were the study material. Facial paralysis was induced by neurectomy at the side of the facial nerve trunk passing through the stylomastoid foramen. The great auricular nerve (GAN) was freed, neurectomized behind the furcations and transposed to the distal part of the neurectomized facial nerve …

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The Effects Of Nitroscanate On Ascarid And Dipylidium Caninum Infections In Dogs, H. Oğuz Sarimehmetoğlu, Bahadir Gönenç, Ramazan Adanir, Esma Kozan Jan 2002

The Effects Of Nitroscanate On Ascarid And Dipylidium Caninum Infections In Dogs, H. Oğuz Sarimehmetoğlu, Bahadir Gönenç, Ramazan Adanir, Esma Kozan

Turkish Journal of Veterinary & Animal Sciences

In this study, nitroscanate (Lopatol tablets, Novartis) was tested for its efficacy against Toxocara canis, Toxascaris leonina and Dipylidium caninum in naturally infected dogs. Dogs that had mixed infections of cestodes and nematodes were divided into two groups: the treatment group (10 dogs) and the control group (5 dogs). Dogs in the treatment group were treated orally with a single dose of 1 tablet/10 kg of nitroscanate (50 mg/kg). After the treatment, fecal samples were examined 5 times at intervals of 2 days and it was recorded that nitroscanate removed D. caninum (4 dogs) and T. leonina (7 dogs) in …

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The Prevalence, Colonization Sites And Pathological Effects Of Gastric Helicobacters In Dogs, K. Serdar Di̇ker, Rifki Haziroğlu, Mehmet Akan, Serap Çeli̇k, Nalan Kabakçi Jan 2002

The Prevalence, Colonization Sites And Pathological Effects Of Gastric Helicobacters In Dogs, K. Serdar Di̇ker, Rifki Haziroğlu, Mehmet Akan, Serap Çeli̇k, Nalan Kabakçi

Turkish Journal of Veterinary & Animal Sciences

The prevalence and colonization sites of Helicobacter spp. in the stomachs of dogs, and their association with gastric pathology were investigated. Scraping cytology, culture, urease test and histology were used to detect helicobacters in the stomachs of necropsied dogs. Gastric Helicobacter spp. were detected in 103 (84.4%) of 122 dogs from 1 month to 14 years of age. The uncultured spiral organisms seen in the most of stomachs were designated as H. heilmannii. Microscopical examination of stained mucosal scrapings was found to be superior for the diagnosis of gastric helicobacters. Six (4.9%) spiral organisms were isolated from 122 stomachs and …

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An Investigation Of The Effects Of Ivermectin On Blood Serum, Semen Hyaluronidase Activities And Spermatological Characteristics In Sheep, Sadetti̇n Tanyildizi, Tanzer Bozkurt Jan 2002

An Investigation Of The Effects Of Ivermectin On Blood Serum, Semen Hyaluronidase Activities And Spermatological Characteristics In Sheep, Sadetti̇n Tanyildizi, Tanzer Bozkurt

Turkish Journal of Veterinary & Animal Sciences

This study was carried out to investigate the effects of ivermectin on the hyaluronidase activities of blood serum and semen and on the sperm characteristics in sheep. In this investigation 18 sheep, at the age of 2 years and weighing between 50-60kg were used. After the administration of ivermectin subcutanously at a dose of 0.2 mg/kg, semen and blood samples were taken at different times. The hyaluronidase activities of blood serum and semen samples in sheep were determined to increase significantly (p

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Electrophoretypes Of Bovine Rotaviruses Detected In Turkey, Aykut Özkul, Kadi̇r Yeşi̇lbağ, Taner Karaoğlu, İbrahi̇m Burgu Jan 2002

Electrophoretypes Of Bovine Rotaviruses Detected In Turkey, Aykut Özkul, Kadi̇r Yeşi̇lbağ, Taner Karaoğlu, İbrahi̇m Burgu

Turkish Journal of Veterinary & Animal Sciences

A total of 83 faecal samples carrying rotavirus were used in this survey. Five different electrophoretypes were distinguished according to their migration patterns. All the rotaviruses examined in this research proved to be group A and to have short migration patterns. While local migration patterns were detected in individual herds (e.g. A, B, C, M, P and T), two different migration profiles were detected in herd K during rotavirus enteritis after a two year interval. The greatest variations in electrophoretic mobility in the groups were found in segments 2-4, and 6-9, while segments 1, 10, and 11 showed the most …

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The Application Of Hypoxanthine Activity As A Quality Indicator Of Cold Stored Fish Burgers, Sühendan Mol, Nuray Erkan, Candan Varlik Jan 2002

The Application Of Hypoxanthine Activity As A Quality Indicator Of Cold Stored Fish Burgers, Sühendan Mol, Nuray Erkan, Candan Varlik

Turkish Journal of Veterinary & Animal Sciences

Seafoods are very perishable, and many different methods are used for the determination of their quality. Sensory and hypoxanthine values of cold stored trout burgers, which we prepared, were determined during a 28-day period. Burgers spoiled after the 21st day of storage. The TVB-N values were still very low when the burgers spoiled and the pH values decreased during their storage. Therefore total volatile bases nitrogen and pH analyses were not useful for the determination of the quality of trout burgers. There was a negative correlation between the sensory and the hypoxanthine values during the storage period. Thus, hypoxanthine analysis …

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Effects Of Alcohol, Passive Smoking And Alcohol Plus Passive Smoking On Some Serum Biochemical Variables In Mice, Mustafa Altinişik, Muharrem Balkaya, Funda Kargin, Hümeyra Ünsal, Cengi̇z Ünsal Jan 2002

Effects Of Alcohol, Passive Smoking And Alcohol Plus Passive Smoking On Some Serum Biochemical Variables In Mice, Mustafa Altinişik, Muharrem Balkaya, Funda Kargin, Hümeyra Ünsal, Cengi̇z Ünsal

Turkish Journal of Veterinary & Animal Sciences

The effects of alcohol, passive smoking and alcohol+passive smoking on certain biochemical variables were investigated in mice serum. For this purpose, 72 female and 49 male Swiss albino mice were used. The animals were approximately 10 weeks old at the beginning of the experiment and their initial body weights ranged from 22 to 31 g. All animals were divided randomly into four groups; the control, alcohol, passive smoking and alcohol+passive smoking groups. Alcohol was given in drinking water at a v/v ratio of 10% during the first week, 20% during the second week and 30% during the following four weeks. …

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The Effect Of Chromium Supplementation On Egg Production, Egg Quality And Some Serum Parameters In Laying Hens, Fatma Uyanik, Şule Kaya, Ahmet Hakan Kolsuz, Meryem Eren, Nurhan Şahi̇n Jan 2002

The Effect Of Chromium Supplementation On Egg Production, Egg Quality And Some Serum Parameters In Laying Hens, Fatma Uyanik, Şule Kaya, Ahmet Hakan Kolsuz, Meryem Eren, Nurhan Şahi̇n

Turkish Journal of Veterinary & Animal Sciences

The effects of chromium (Cr) on egg production, egg quality, egg yolk cholesterol level and selected serum parameters of laying hens were investigated. Sixty 16-wk-old Hyline White 77 strain were randomly assigned to two groups of 30 hens each and fed either a basal diet or basal diet supplemented with 20 ppm Cr (CrCl3.6H2O). Egg and blood samples were collected at monthly intervals after the egg production reached peak level. Sera were analysed for chromium, calcium, inorganic phosphorus, magnesium, triglycerides and total cholesterol. Eggs were examined for interior or exterior quality and for yolk cholesterol content. Chromium supplementation resulted in …

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Influence Of Ammonia Concentration On ^{15}N-Ammonia Incorporation And De Novo Amino Acid Synthesis By The Non-Cellulolytic Ruminal Bacteria, Prevotella Bryantii B_{1}4, Selenomonas Ruminantium Hd4 And Streptococcus Bovis Es1, Cengi̇z Ataşoğlu, R. John Wallace Jan 2002

Influence Of Ammonia Concentration On ^{15}N-Ammonia Incorporation And De Novo Amino Acid Synthesis By The Non-Cellulolytic Ruminal Bacteria, Prevotella Bryantii B_{1}4, Selenomonas Ruminantium Hd4 And Streptococcus Bovis Es1, Cengi̇z Ataşoğlu, R. John Wallace

Turkish Journal of Veterinary & Animal Sciences

The influence of ammonia concentration on ^{15}N-ammonia incorporation and de novo synthesis of amino acids by three predominant non-cellulolytic species of ruminal bacteria, Prevotella bryantii B_{1}4, Selenomonas ruminantium HD4 and Streptococcus bovis ES1, was investigated. The medium contained pancreatic casein hydrolysate (comprising mainly peptides with some amino acids) at a concentration of 1 g/litre and additions of graded concentrations of 15NH4Cl. When the initial concentration of ammonia increased from 0.045 to 0.436 g N/L in the growth medium, the proportion of cellular nitrogen and amino acid nitrogen derived from ammonia by P. bryantii and S. ruminantium increased (ranging from 0.33 …

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The Clinical, Radiographical And Arthroscopical Diagnosis Of Cranial Cruciate Ligament Lesions And Surgical Therapy In Dogs, Ali̇ Bumi̇n, Ümi̇t Kaya, Doğa Temi̇zsoylu, Murat Ki̇bar, Zeki̇ Alkan, Mehmet Sağlam Jan 2002

The Clinical, Radiographical And Arthroscopical Diagnosis Of Cranial Cruciate Ligament Lesions And Surgical Therapy In Dogs, Ali̇ Bumi̇n, Ümi̇t Kaya, Doğa Temi̇zsoylu, Murat Ki̇bar, Zeki̇ Alkan, Mehmet Sağlam

Turkish Journal of Veterinary & Animal Sciences

Cranial cruciate rupture was diagnosed by clinical, radiographical and arthroscopical examinations in 15 dogs, and arthroscopically observed intraarticular degenerative changes were arthroscopically described and surgically treated. The drawer test was positive in 9 cases and indefinite in 6 of the cases suspected of having a rupture in the cranial cruciate ligament. In 2 cases, pain was present and in 4, swelling was observed in the joint. In the drawer test, in cases positive according to the radiographical examinations, the tibia was placed more cranially than the femur. In 4 cases, swelling was observed radiographically in the medial part of the …

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Haemocyte Classification And Differential Counts In The Freshwater Crab, Potamon Fluviatilis, Hi̇jran Yavuzcan Yildiz, Hasan Hüseyi̇n Atar Jan 2002

Haemocyte Classification And Differential Counts In The Freshwater Crab, Potamon Fluviatilis, Hi̇jran Yavuzcan Yildiz, Hasan Hüseyi̇n Atar

Turkish Journal of Veterinary & Animal Sciences

Three haemocyte groups were identified in the freshwater crab, Potamon fluviatilis: hyalinocytes, semigranulocytes and granulocytes. The proportion of hyalinocytes was found to be 15%, that of semigranulocytes 54.25% and that of 30.75% granulocytes.

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A Report On Spontaneous Diseases In The Culture Of Grass Carp (Ctenopharyngodon Idella Val. 1844), Turkey, Mi̇ne Kirkağaç Uzbi̇lek, Hi̇jran Yavuzcan Yildiz Jan 2002

A Report On Spontaneous Diseases In The Culture Of Grass Carp (Ctenopharyngodon Idella Val. 1844), Turkey, Mi̇ne Kirkağaç Uzbi̇lek, Hi̇jran Yavuzcan Yildiz

Turkish Journal of Veterinary & Animal Sciences

As grass carp culture for vegetation control in freshwater is a new field in Turkey the disease problems of grass carp have not been well documented. Spontaneous disease occurrence in the course of grass carp culture was reported in the present study. During the culture of grass carp (Ctenopharyngodon idella) some disease problems occurred causing a high level of mortality. In two-month old fry (5.55±0.19 g) fed with alfa-alfa in out-door conditions bacterial disease and some ectoparasites on the gills and skin were detected. The bacterium was identified as Aeromonas hydrophila and the ectoparasites as Trichodina sp., Dactylogyrus sp. and …

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A Case Of Aelurostrongylus Abstrusus Infection In A Cat In İstanbul, Turkey And Its Treatment With Moxidectin And Levamisole, Erkut Tüzer, Müfi̇t Toparlak, Ayşen Gargili, Vedat Keleş, Meltem Ulutaş Esatgi̇l Jan 2002

A Case Of Aelurostrongylus Abstrusus Infection In A Cat In İstanbul, Turkey And Its Treatment With Moxidectin And Levamisole, Erkut Tüzer, Müfi̇t Toparlak, Ayşen Gargili, Vedat Keleş, Meltem Ulutaş Esatgi̇l

Turkish Journal of Veterinary & Animal Sciences

Larvae of Aelurostrongylus abstrusus were identified in the feces of a 2-year-old female cat suffering from dyspnea and incoordination for 18 months. The larvae had a terminal S-shaped projection and a subterminal dorsal spine. The larvae measured 363-378x15 µm (aver. 370x15 µm). Firstly, moxidectin (0.4 mg/kg) was given subcutaneously to 3 healthy stray cats over 1 year old to check adverse effects on cats. No adverse reaction was observed. Then a subcutaneous injection of moxidectin (0.4 mg/kg) was given to the infected cat for treatment on day 0 and this was repeated on day 51. Seventy-nine days after the 2nd …

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Rickets In A Gazelle: A Case Report, Ni̇hat Şindak, İbrahi̇m Çi̇mtay, Gürbüz Aksoy Jan 2002

Rickets In A Gazelle: A Case Report, Ni̇hat Şindak, İbrahi̇m Çi̇mtay, Gürbüz Aksoy

Turkish Journal of Veterinary & Animal Sciences

The purpose of this study was to determine some clinical, radiological, haematological and biochemical findings in a female gazelle, 9 months old, with rickets. In clinical examination, the animal was unable to stand up easily, its legs were bent and walking was difficult. The medullar cannals were wide and the cortex was thin in the long bones on the radiogram. The Ca level (6.8 mg/dl) was found to be within the minimum normal limits in the biochemical examinations of blood serum. Also, serum P level (1.6 mg/dl) was ascertained to be markedly lower than normal levels. In addition, serum ALP …

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Housing Quails And Chickens Together Is The Possible Cause Of Newcastle Disease's Spread: An Overlooked Measure Taken To Prevent The Disease, Uçkun Sai̇t Uçan, Osman Çataloluk Jan 2002

Housing Quails And Chickens Together Is The Possible Cause Of Newcastle Disease's Spread: An Overlooked Measure Taken To Prevent The Disease, Uçkun Sai̇t Uçan, Osman Çataloluk

Turkish Journal of Veterinary & Animal Sciences

No abstract provided.

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Mono And Multiphasic Analysis Of Growth Curves Selected Of A Japanese Quail Line At 5-Week's Body Weight, Handan Çamdevi̇ren, Bahar Taşdelen Jan 2002

Mono And Multiphasic Analysis Of Growth Curves Selected Of A Japanese Quail Line At 5-Week's Body Weight, Handan Çamdevi̇ren, Bahar Taşdelen

Turkish Journal of Veterinary & Animal Sciences

In this research, monophasic, diphasic and triphasic logistic growth curve functions used to introduce the growing of the body weight in Japanese quail (Coturnix japonica) are presented. In male and female Japanese quail, the diphasic growth curve fits better than the other growth curves because of residual variance, autocorrelation and determination coefficients. In addition, the diphasic growth function is compared with the monophasic growth function to study the relationship between these two approaches for describing growth curves.

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Histological And Morphometric Features Of The Skin Of Native And Hybrid (F_1) Sheep, Nesri̇n Özfi̇li̇z, Mi̇ne Balikçier, Hati̇ce Erdost, Berri̇n Zik Jan 2002

Histological And Morphometric Features Of The Skin Of Native And Hybrid (F_1) Sheep, Nesri̇n Özfi̇li̇z, Mi̇ne Balikçier, Hati̇ce Erdost, Berri̇n Zik

Turkish Journal of Veterinary & Animal Sciences

It was found that the histological features of all native and hybrid sheep skins used in this study were similar to those well documented previously. The total skin thickness was determined to be thickest for Hampshire X Kıvırcık (F_1) (3507.2 \mu), and thinnest for Kıvırcık (2897.8 \mu). It was observed that the stratum corneum of the skin of Kıvırcık and Kıvırcık hybrids was thicker than that of Karacabey Merino and their hybrids. The deposition of lipids was seen on the surface of the epidermis of Karacabey Merino sheep and their hybrids. When compared with the other breed, it was noted …

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Effects Of Night Feeding On Spf (Specific Pathogen Free) White Egg Layers Under Heat Stress, Mesut Fi̇li̇zci̇ler, İ. Hali̇l Çerçi̇, Pinar Tatli Jan 2002

Effects Of Night Feeding On Spf (Specific Pathogen Free) White Egg Layers Under Heat Stress, Mesut Fi̇li̇zci̇ler, İ. Hali̇l Çerçi̇, Pinar Tatli

Turkish Journal of Veterinary & Animal Sciences

This experiment was conducted to determine the effects of night feeding benefiting from temperature differences between night and day in SPF (Specific Pathogen Free) white leghorn egg layers under heat stress. For this purpose, 100 SPF hens were randomly assigned to two groups. The control group was fed between 5^{00} and 21^{00} and the treatment group was fed between 17^{00} and 09^{00}. House temperature was averaged at 29.5±0.78°C and 22.9 ± 0.72°C in the control and treatment groups, respectively. The feed and water intake of the hens were 113.60±0.75 g/day and 274.96±2.62 ml/day for the control group, and 120.09±1.77 g/day …

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Effect Of Short-Term Storage On Hatchability And Total Incubation Period Of Breeder Hatching Eggs, Özge Altan, Ali̇ Altan, Hakan Bayraktar, Alaeddi̇n Demi̇rci̇oğlu Jan 2002

Effect Of Short-Term Storage On Hatchability And Total Incubation Period Of Breeder Hatching Eggs, Özge Altan, Ali̇ Altan, Hakan Bayraktar, Alaeddi̇n Demi̇rci̇oğlu

Turkish Journal of Veterinary & Animal Sciences

The aim of this study was to determine the effects of short-term storage on hatching performance and the length of the incubation period of broiler breeder eggs. A total 3600 eggs from a 42-week-old commercial broiler breeder flock were stored for 0 hours, 6 hours, 3 days or 7 days and then placed in the same incubator. The fertility, embryonic mortality, hatchability of fertile eggs and malpositions were determined. The numbers of hatching chicks were recorded at 468, 474, 480, 486, 492, 498 and 504 hours of the incubation. The results of present study suggested that short-term storage did not …

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Preventing Heat Stress With Different Feeding Methods In Laying Hens, O. Ni̇hat Ertaş, Kazim Şahi̇n Jan 2002

Preventing Heat Stress With Different Feeding Methods In Laying Hens, O. Ni̇hat Ertaş, Kazim Şahi̇n

Turkish Journal of Veterinary & Animal Sciences

In this study, the effects of different density diets (15% HP, 2700 kcal/kg ME, Diet N; 18% HP, 3025 kcal/kg ME, Diet Y), and different feeding methods on yield, egg quality, blood acid-base balance, serum metabolites, and nutrient digestibility were determined in laying hens at heat stress. Sixteen-week-old hens (Ross Brown) were divided into 6 group of 30 hens each and study was conducted in a 3 x 2 factorial experimental design. The diets were given to animals by three methods during heat stress. The feeding methods were as follows. Both diets were given to hens through traditional ways (Control …

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Some Genetic Parameters Of Milk Production In The Holstein Breed, Okan Ertuğrul, Mehmet Nurullah Orman, Güven Güneren Jan 2002

Some Genetic Parameters Of Milk Production In The Holstein Breed, Okan Ertuğrul, Mehmet Nurullah Orman, Güven Güneren

Turkish Journal of Veterinary & Animal Sciences

This study was carried out to estimate the heritabilities and the genetic and phenotypic correlations between some milk production traits in Holstein cows in Ceylanpınar State Farm. A mixed-model equation was used in the study. The heritabilities and the genetic correlations were estimated by the Restricted Maximum Likelihood method (REML) for all the variables. Phenotypic correlations were estimated from measurements of the traits. Paternal half-sib correlations were used for the estimation of the heritability values. The heritabilities for the 2x305ME milk yield, the lactation length, the length of the dry period, and the calving interval were estimated to be 0.169±0.0287, …

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Accumulation Of Lead In The Gill, Liver, Kidney And Brain Tissues Of Tilapia Zilli, Sahi̇re Karataş, Mustafa Kalay Jan 2002

Accumulation Of Lead In The Gill, Liver, Kidney And Brain Tissues Of Tilapia Zilli, Sahi̇re Karataş, Mustafa Kalay

Turkish Journal of Veterinary & Animal Sciences

In this study, the accumulation of lead in various tissues of Tilapia zilli was tested at varying concentrations of lead in the medium for different exposure times. Experimental animals were exposed to 1.0, 2.5 and 5.0 ppm lead over periods of 1, 7, 15 and 30 days and accumulation of lead in gill, liver, kidney and brain tissues was determined by atomic absorbtion spectrophotometry (AAS). In general, the accumulation of lead in tissues increased with increasing concentrations of lead in the experimental medium and with increasing time of experiment. The ratios of total lead in the tissues were 15.47, 6.10, …

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