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Histological Investigation Of Gonad Development Of Chalcalburnus Tarichi (P., 1811), Güler Ünal, Osman Çeti̇nkaya, Mahmut Elp
Histological Investigation Of Gonad Development Of Chalcalburnus Tarichi (P., 1811), Güler Ünal, Osman Çeti̇nkaya, Mahmut Elp
Turkish Journal of Zoology
In this study, gonad development of Chalcalburnus tarichi, an anadromus, endemic fish species of the Lake Van and its inlets was histologically investigated. During oogenesis, six different development phases were histologically identified: chromatin-nucleolus, perinuclear, cortical alveolar, vitellogenic, ripening and ovulation phases. The diameters of oocytes were determined between 31 to 957 µm until the ovulation phase. According to the investigated sepcimens, vitellogenic phase started onward October and first ovulation was taken place in May-June 36 months and older females. It was found that some unspawned ova remained and formed atretic follicles in ovary after ovulation. Three different development phases were …
Changes In The Total And Free Amino Acid Composition In African Catfish ( Clarias Gariepinus Burchell, 1822) Larvae, Abdurrahman Polat
Changes In The Total And Free Amino Acid Composition In African Catfish ( Clarias Gariepinus Burchell, 1822) Larvae, Abdurrahman Polat
Turkish Journal of Zoology
In this study, changes in amino acid composition of egg, larvae and larvae tissue which was separated from yolk sac mass of African catfish (Clarias gariepinus Burchell, 1822) during yolk sac stage and starving larvae were investigated. In the yolk sac period, there was no change of each amino acid amounts (g/100 g dry matter) in larvae tissue in spite of conspicuous changes were determined in whole larvae amino acid amounts such as leucine, isoleucine, valine, alanine and serine. It was evaluated that these amino acids were used preferentially by larvae. A/E reference was calculated for larval feed formulation. A …
A Study On The Activities Of Glucose-6-Phosphate Dehydrogenase And 6-Phosphogluconate Dehydrogenase Enzymes In Some Spalax Populations, H. Ramazan Yilmaz, Eşref Yüksel
A Study On The Activities Of Glucose-6-Phosphate Dehydrogenase And 6-Phosphogluconate Dehydrogenase Enzymes In Some Spalax Populations, H. Ramazan Yilmaz, Eşref Yüksel
Turkish Journal of Zoology
The purpose in planing this investigation was to contribute to the speciation problems in genus Spalax. For this, we examined the activities of Glucose-6-Phosphate Dehydrogenase (G-6-PD) and 6-Phosphogluconate Dehydrogenase (6-PGD) enzymes from the liver of Spalax samples taken from both sides of river Euphrates. The samples belonging to genus Spalax were separated into two populationsin the research area. The spesific activities of G-6-PD and 6-PGD enzymes were measured at 0.01 level of significance. The results were given in a table. The observed differences between the mean specific activities of te enzymes of the two populatons were discussed.
Studies On Charesteristics Of Anatolian Honey Bee Ecotypes (A. M. Anatoliaca) And Their Crosses: Ii. Colony Development And Production, Mete Karacaoğlu, Çeti̇n Firatli
Studies On Charesteristics Of Anatolian Honey Bee Ecotypes (A. M. Anatoliaca) And Their Crosses: Ii. Colony Development And Production, Mete Karacaoğlu, Çeti̇n Firatli
Turkish Journal of Veterinary & Animal Sciences
The physiological and behavioural traits of Beypazarı (Central Anatolia) and Tokat (Black Sea) ecotypes and their crosses were studied in private and university apiaries in Tokat. The results showed that the reproductive performance of Beypazarı ecotype was a little slower compared to Tokat both of which were significantly retarded than the BxT crosses (P
Effects Of Selection For Four Week Body Weight On Some Parameters In Japanese Quail(Coturnix Coturnix Japonica) 2. Production Traits And Genetic Gains, İsmai̇l Oğuz, Levent Türkmut
Effects Of Selection For Four Week Body Weight On Some Parameters In Japanese Quail(Coturnix Coturnix Japonica) 2. Production Traits And Genetic Gains, İsmai̇l Oğuz, Levent Türkmut
Turkish Journal of Veterinary & Animal Sciences
This research was carried out to determine the genetic effects of divergent selection under two different selection under two different selection pressure for 4 week body weight over 3 generations on 4 week body weight and related characters such as slaughter weight, carcass weight, breast weight and leg weight in Japanese quail. Birds were weighted individuay. Individual selection for body weight was carried out at 4 weeks, separately for each sex. The proportion kept was 10% for males and 30 % for females in H1 and H2 lines, and H4 lines were selected for low body weight, H5 was a …
Effect Of Adrenergic Receptor Blockade With Yohimbin, Metroprolol Or Prazosin Onarrhythmogenic Dose Of Epinephrine In Xylazine-Kethamine Anesthetized Dogs, Ömer Bozdoğan, Abdullah Doğan
Effect Of Adrenergic Receptor Blockade With Yohimbin, Metroprolol Or Prazosin Onarrhythmogenic Dose Of Epinephrine In Xylazine-Kethamine Anesthetized Dogs, Ömer Bozdoğan, Abdullah Doğan
Turkish Journal of Veterinary & Animal Sciences
The arrhythmias occurring and caused to death during the anaesthesia is generated endogenous release of epinephrine or norepinephrine. Therefore, the effects of yohimbine (alpa-2 blocker), prazosin (alpha-1 blocker), metoprolol (beta-1 blocker) on the arrhythogenic dose of epinephrine in 10 dogs anesthetized with xylazine and kethamine combination, were researched in this study. The infusion of epinephrine, 1 mg/ml/min; yohimbine, 0.125 mg/kg; prazosin, 0.1 mg/kg; metoprolol 0.5 mg/kg in dose were made intravenously. The dose of epinephrine produced ventricular premature contraction and ventricular tachycardia were determined as total dose of epinephrine in mg/kg, given until the time that arrhythmia appeared. Metoprolol and …
Comparison Of Some Production Traits In Malya And Akkaraman Sheep, Nadi̇ Çolakoğlu, Ceyhan Özbeyaz
Comparison Of Some Production Traits In Malya And Akkaraman Sheep, Nadi̇ Çolakoğlu, Ceyhan Özbeyaz
Turkish Journal of Veterinary & Animal Sciences
Summary : This research was carried out to compare the fertility traits, greasy fleece weight and wool characteristics in breeding ewes; and the growth and survival rates of lambs in Ankaraman and Malya breeds. The data was obtained for fertility traits from 5581 Malya and 9707 Akkaraman ewes, for growth rates from 100 lambs in each breed, for greasy fleece weights from 100 ewes in each breed and for wool characteristics from 32 Malya and 28 Akkaraman ewes. Fertility traits such as lambing percentage, twinning rate, litter size and number of lambs weaned per hundred ewes lambing between 1992 and …
The Seasonal Variation In Blood Glucose Levels In Barbel, Barbus Plebejus Escherichi(Steindachner, 1897), Living In Çoruh Basin-Oltu Stream, Ayhan Yildirim, Mustafa Türkmen, İrfan Altuntaş
The Seasonal Variation In Blood Glucose Levels In Barbel, Barbus Plebejus Escherichi(Steindachner, 1897), Living In Çoruh Basin-Oltu Stream, Ayhan Yildirim, Mustafa Türkmen, İrfan Altuntaş
Turkish Journal of Veterinary & Animal Sciences
In this study, seasonal variation in blood glucose levels in Barbus plebejus escherichi living in Çoruh Basin-Oltu Stream was determined. The average blood glucose levels were observed to be 185.27±15.79 mg/dl in males, 157.05±10.52 mg/dl in females and 174.74±9.04 mg/dl in the total population.
Colony Initiation Of Bumble Bee Queens (B. Terrestris) And Colony Development In Captivity, Fehmi̇ Gürel, Yakup Efendi̇, Sali̇m Mutaf
Colony Initiation Of Bumble Bee Queens (B. Terrestris) And Colony Development In Captivity, Fehmi̇ Gürel, Yakup Efendi̇, Sali̇m Mutaf
Turkish Journal of Veterinary & Animal Sciences
This experiment was conducted to determine breeding techniques, colony foundation rate, colony and worker development in the laboratory of field-collected Bombus terrestris queens. One hundred and sixty-seven naturally mated queens were captured from the Aegean region in autumn. The queens were individually in cages at 28-30°C and 50-60 % R.H. in the dark. Every 2-3 days, sugar solution (50 %) and pollen paste were supplied and 4-5 young honeybees were added to the cages. When the first bumble bee workers emerged, the colony was transferred to a large ventilated box with two compartments. During the trial the nest foundation rate, …
Growth And Mortality Of Mussels ( Mytilus Edulisl.) Reared Inlantern Nets In Loch Kishorn, Scotland, Sedat Karayücel, Ismi̇han Karayücel
Growth And Mortality Of Mussels ( Mytilus Edulisl.) Reared Inlantern Nets In Loch Kishorn, Scotland, Sedat Karayücel, Ismi̇han Karayücel
Turkish Journal of Veterinary & Animal Sciences
One-year old rope grown mussels ( Mytilus edulis L.) were held in experimental lantern nets at 2 m and 6 m depths in Loch Kishorn on the west coast of Scotland. Growth, mortality and shell morphology were monitored from May 1993 to August 1994. Water temperature, salinity, transparency and food availability were also determined. These showed a clear seasonal cycle, in consequence, growth of mussels was relatively rapid from May to November and very slow during the rest of the year. Depth had a insignificant effect on shell length and tissue growth (P>0.05) due to similar environmental factors. Shell …
Experimental Visceral Larva Migrans In Chicken With Toxocara Canis, Ayşen Gargili, Erkut Tüzer, Aynur Gülenber, Müfi̇t Toparlak, İlker Efi̇l, Vedat Keleş, Meltem Ulutaş
Experimental Visceral Larva Migrans In Chicken With Toxocara Canis, Ayşen Gargili, Erkut Tüzer, Aynur Gülenber, Müfi̇t Toparlak, İlker Efi̇l, Vedat Keleş, Meltem Ulutaş
Turkish Journal of Veterinary & Animal Sciences
The aim of this study was to determine the distribution of Toxocara canis larvae in some organs of chicks and to clarify if the larvae found in brain will be able to lead to the behavioral disorder or not. For this purpose, 42 15-day-old broiler chicks were allocated to 6 groups, each consisted of 5 trial and 2 control animals (Totally 30 exp. and 12 contr. anim.). Each experimental chick recevied 5000 embriyonated T. canis eggs orally. All animals were necropsied between 2 nd and 12 th days after inoculation with two day intervals. Brain, lung, liver and a half …
Sources Of Variation And Repeatability For Litter Size, Body Weight And Matured Performance Of Awassi Ewes, Saad Ibrahim Said, M. M. Muwalla, J. P. Hanrahan
Sources Of Variation And Repeatability For Litter Size, Body Weight And Matured Performance Of Awassi Ewes, Saad Ibrahim Said, M. M. Muwalla, J. P. Hanrahan
Turkish Journal of Veterinary & Animal Sciences
The objectives of this study were to investigate the environmental factors influencing litter size and postpartum ewe live weight and to estimate the repeatability for these traits and for pre-weaning growth rate in Awassi breed. Least squares means for litter size and ewe body weight were 1.08 and 57.6 kg, respectively. Repeatability estimated by the intraclass correlation method was 0.03, 0.46 and 0.26 for litter size, ewe body weight and pre-weaning growth rate, respectively. Year-month and age of ewe showed highly significant effect on all the traits. It was concluded that selection for litter size should be based not only …
Evaluation Of Various Protein Sources For Growingand Finishing Awssi Lambs, A. Y. Abdullah, M. M. Muwalla, M. Y. Harb
Evaluation Of Various Protein Sources For Growingand Finishing Awssi Lambs, A. Y. Abdullah, M. M. Muwalla, M. Y. Harb
Turkish Journal of Veterinary & Animal Sciences
Sixty four newly weaned Awassi lambs (initial BW = 21.0 ± 0.75 kg) from both sexes were randomly allocated to one of the four treatments (8 males & 8 females/treatment) and grouped into 8 pens with 8 lambs from each sex per pen. They were then used to evaluate the different sources of protein on a finishing performance trial. The lambs were fed for a period of 114 days using four different rations. These rations were so formulated as to contain the same percentage of crude protein 14 %, but from different sources namely sunflower seed meal (SSM), bitter vetch …
Effect Of Alcohol Treatment On In Situ Degradabilities Of Some Protein Sources, B. Zehra Sariçi̇çek
Effect Of Alcohol Treatment On In Situ Degradabilities Of Some Protein Sources, B. Zehra Sariçi̇çek
Turkish Journal of Veterinary & Animal Sciences
This study was conducted to determine the effect of alcohol treatment on in situ degradabilities of some protein sources. While the dry matter degradabilities (DMP) of hazelnut kernel oil meal (HKOM), soybean meal (SBM), sunflower meal (SM) and full-fat soy (FFS) for 24 hour incubation period were found to be 86.06, 86.01, 70.66 and 70.21 %, the corresponding values for alcohol treatment were 74.63, 79.41, 61.26 and 63.41%, respectively. For the same incubation period rumen organic matter degradabilities (OMD) of untreated feeds and alcohol treated feeds were found to be 85.20, 90.32, 70.96, 71.29 % and 75.61, 72.24, 62.54 and …
Parafilariosis In Cattle In Malatya And Environs, Cem Ecmel Şaki̇, Murat Sevgi̇li̇, Edi̇p Özer
Parafilariosis In Cattle In Malatya And Environs, Cem Ecmel Şaki̇, Murat Sevgi̇li̇, Edi̇p Özer
Turkish Journal of Veterinary & Animal Sciences
This study was conducted in cattle on Malatya and environs. A total of 432 cattle were clinically examined for cattle parafilariosis. Cattle parafilariosis was clinically diagnosed in 22 cattle in August 1995, six cattle in September 1995, two cattle in July 1996, one cattle in August 1996, and one cattle in August 1997. Thirty-two out of 432 cattle (7.4%) were diagnosed as having the disease. Upon the microscopic examination of blood samples from wounds, 18 microfilariae were found whereas no eggs were found in 10 cattle. The disease was more widespread in 1-2 year-old cattle (46.8%) and females (68.7%) than …
Problem Identification And Priority Setting In Agricultural Research: The Case Of The Eastern Margin Of Central Anatolia, Vedat Uzunlu, Ahmet Bayaner, Surendra P. S. Beniwal
Problem Identification And Priority Setting In Agricultural Research: The Case Of The Eastern Margin Of Central Anatolia, Vedat Uzunlu, Ahmet Bayaner, Surendra P. S. Beniwal
Turkish Journal of Agriculture and Forestry
Since the resources available to research institutes are scarce, and experimentation is the most costly phase of a research program, researchers must make sure that the possible solutions to identified problems have a high chance of success. Consequently, problems should be carefully prioritized for experimentation. Factors limiting increased productivity in crop production in the Eastern Margin of Central Anatolia (EMCA) along with agro-ecological factors, apart from political concern, are agronomic constraints. Limiting factors in livestock production are insufficient feed supply, poor conditions of natural grazing areas, and housing of animals. Increasing the adoption rate of the recommended production practices among …
Collagen Content And Electrophoretic Analysis Of Type I Collagen In Breastskin Of Heterozygous Naked Neck And Normally Feathered Commercialbroilers, Güldehen Bi̇lgen, Gülgün Oktay, Zeynep Tokgöz, Gül Güner, Servet Yalçin
Collagen Content And Electrophoretic Analysis Of Type I Collagen In Breastskin Of Heterozygous Naked Neck And Normally Feathered Commercialbroilers, Güldehen Bi̇lgen, Gülgün Oktay, Zeynep Tokgöz, Gül Güner, Servet Yalçin
Turkish Journal of Veterinary & Animal Sciences
This study was conducted to evaluate the breast skin collagen content and electrophoretic analyses of type I collagen in heterozygous naked neck and normally feathered commercial chicks. A total of 72 birds from each genotype were randomly selected at 7 weeks and slaughtered. Breast skin was separated from each carcass and was analysed for collagen content and gel electrophopresis of type I collagen was performed. Males had significantly higher level of skin collagen content than females in both genotypes. In the naked neck chickens ??1 , and ??2 bands were highly intensive than the commercial ones indicating that the collagen …
The Effects Of Some Antibacterial Drugs On The Immune System Of Poultry, Yusuf Şanli, Ali̇ Bi̇lgi̇li̇, Ayhan Fi̇lazi̇, Ender Yarsan, Reşat Aşti, Nevi̇n Kurtdede, Hakan Yardimci
The Effects Of Some Antibacterial Drugs On The Immune System Of Poultry, Yusuf Şanli, Ali̇ Bi̇lgi̇li̇, Ayhan Fi̇lazi̇, Ender Yarsan, Reşat Aşti, Nevi̇n Kurtdede, Hakan Yardimci
Turkish Journal of Veterinary & Animal Sciences
This study was conducted to determine the effects of some different antibacterial drugs used in the poultry industry for their effects on the immune system of poultry. This experiment was carried on a hundred and fifty Ross PM-3 type, daily broiler chicks. Oxytetracycline and amoxicillin used in treatment of drinking water, and zinc bacitracin and salinomycin capable of being continuously added to feed in anabolic and preservative concentrations were chosen as antibacterial drug samples. In the first 21 days of their lives the broilers were fed with a chick starter feed, that did not contain any antibacterial or anticoccidial agents, …
Effect Of Glazing And Storage Time On Lipid Oxidation Of Frozen Chub Mackerel (Scomberjaponicus), Ayla Soyer, M. Eki̇n Şahi̇n
Effect Of Glazing And Storage Time On Lipid Oxidation Of Frozen Chub Mackerel (Scomberjaponicus), Ayla Soyer, M. Eki̇n Şahi̇n
Turkish Journal of Veterinary & Animal Sciences
The effect of glazing with the solutions contained ascorbic acid (AA), butylated hydroxytoluene (BHT), butylated hydroxyanisole (BHA), BHT/BHA combination and only water, and storage time on lipid oxidation of chub mackerel were determined during frozen storage at -18°C for 10 months. Glazing with some antioxidants or water of the fish retarded lipid oxidation when compared to control samples during frozen storage. The results of thiobarbituric acid reactive substances (TBARS), peroxide value (PV) and free fatty acids (FFA) as lipid oxidation parameters increased slowly in all the samples glazed with antioxidants as a function of time but they retarded lipid oxidation …
Morphometric Analysis Of The Mandible In German Shepherd Dogs, Vedat Onar, Oya Kahveci̇oğlu, Rifat Mutuş, Hasan Alpak
Morphometric Analysis Of The Mandible In German Shepherd Dogs, Vedat Onar, Oya Kahveci̇oğlu, Rifat Mutuş, Hasan Alpak
Turkish Journal of Veterinary & Animal Sciences
The mandibles of thirty-five German shepherd dogs without skeletal disorders were measured morphometrically. The length and the angle of the mandibles were measured and the correlation was determined between the female and male dogs. Mandible measurements increased with the age of the animals. In males, the value of the 1A and 2A angle was not statistically significant when considering age. In females, a decrease in the 1A and 5A angles was determined while no statistically significant value was determined in 2A, 3A and 4A with age. In conclusion, morphological observations and the results of the measurements have shown that German …
Ultrastructural And Morphometric Analysis Ofperipheral Nerve Regenerationwithin Silicone Tubes, Leyla Canpolat, Aysel Kükner, İbrahi̇m Canpolat, Enver Ozan
Ultrastructural And Morphometric Analysis Ofperipheral Nerve Regenerationwithin Silicone Tubes, Leyla Canpolat, Aysel Kükner, İbrahi̇m Canpolat, Enver Ozan
Turkish Journal of Medical Sciences
Semi-thin and thin sections were used to observe the morphogenesis of peripheral nerves regenerating in silicone tubes. The progress of peripheral nerve regeneration across a 10 mm gap within the silicone tubes was examined after 3, 6 and 9 months. The left sciatic nerves of rats were transected. The proximal and distal nerve stumps were inserted into a silicone tube, in which they were separeted by a 10 mm gap. A tissue cable formed inside the silicone tube with regenerated axons. In the 3rd month, the 10 mm gap was bridged by a structure composed of regenerating axons, blood vessels …