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2005

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Articles 241 - 270 of 304

Full-Text Articles in Veterinary Medicine

Environmental Factors Affecting Milk Yield And Fertility Traits Of Simmental Cows Raised At The Kazova State Farm And Phenotypic Correlations Between These Traits, Süleyman Çi̇lek, Mehmet Emi̇n Teki̇n Jan 2005

Environmental Factors Affecting Milk Yield And Fertility Traits Of Simmental Cows Raised At The Kazova State Farm And Phenotypic Correlations Between These Traits, Süleyman Çi̇lek, Mehmet Emi̇n Teki̇n

Turkish Journal of Veterinary & Animal Sciences

The aim of this study was to investigate environmental factors affecting milk yield and fertility traits of Simmental cows raised at the Kazova state farm and the phenotypic correlation between these traits from 1473 records between 1992 and 2001. The least square means of 305-days milk yield, lactation duration, dry period, service period, calving interval, gestation length and number of inseminations per conception (NIPC) were 4700 kg, 300 days, 81 days, 94 days, 379 days, 283.6 days and 1.76, respectively. The effect of calving year on milk yield and fertility traits was statistically significant (P < 0.001). The effect of calving age on gestation length and milk yield was also statistically significant (P < 0.001-P < 0.05). The effect of calving season on gestation length, 305-days milk yield and NIPC was also statistically significant (P < 0.001-P < 0.05). Birth type did not significantly affect any traits, except for gestation length. The phenotypic correlations between 305-days milk yield and lactation duration (0.39), between NIPC and service period (0.81), between NIPC and calving interval (0.77), between calving interval and service period (0.96) and between calving interval and gestation length (0.12) were statistically significant (P < 0.001). Correlations between milk yield and fertility traits (0.09-0.77) were statistically significant (P < 0.001-P < 0.05), except for gestation length. These results are acceptable and it can be concluded that Simmental cattle are raised successfully on this farm and under Turkish conditions.

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The Relationship Between Lameness, Fertility And Aflatoxin In A Dairy Cattle Herd, Serhat Özsoy, Kemal Altunatmaz, Huri̇ye Horoz Kaya, Güven Kaşikçi, Serhat Alkan, Tanay Bi̇lal Jan 2005

The Relationship Between Lameness, Fertility And Aflatoxin In A Dairy Cattle Herd, Serhat Özsoy, Kemal Altunatmaz, Huri̇ye Horoz Kaya, Güven Kaşikçi, Serhat Alkan, Tanay Bi̇lal

Turkish Journal of Veterinary & Animal Sciences

This study was carried out to determine the relationship between aflatoxins taken with feed, laminitis, lameness and impaired fertility. Lesions were identified in the claw and hock region, causing lameness in 45 cattle in an establishment of 300 Holstein dairy cattle. Of these lame cattle, 27 had cystic ovaries and 10 had cystic ovaries together with clinical metritis. The increase in lameness and fertility problems occurring in this herd, living under the same management and feeding conditions, was determined to start with the change in feed concentrates and, in order to investigate the relationship with mycotoxins, Aflatoxin B_1 (AFB_{1}) analysis …

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Immune Responses In Mice Immunized Intranasally With Sendai Virus, Gazim Bizanov, Irena Jonauskiene Jan 2005

Immune Responses In Mice Immunized Intranasally With Sendai Virus, Gazim Bizanov, Irena Jonauskiene

Turkish Journal of Veterinary & Animal Sciences

Mice were immunized 3 times intranasally (i.n.) at intervals of 2 weeks with a formalin-inactivated Sendai virus (SV) whole virus with and without whole formalin-inactivated Bordetella pertussis (Bp) as adjuvant. The antibody response to SV was measured using the hemagglutination inhibition (HI) test in serum, and the IgA and IgG antibodies were evaluated using enzyme linked immunosorbent assay in saliva and serum. It was demonstrated that repeating immunizations with SV plus Bp could induce HI serum antibodies, IgA and serum IgG antibodies. However, in mice immunized subcutaneously with SV alone, high serum IgG antibodies and HI titers were induced only. …

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Reproductive Characteristics Of Holstein Cattle Reared In A Private Dairy Cattle Enterprise In Aydın, Mehmet Kenan Türkyilmaz Jan 2005

Reproductive Characteristics Of Holstein Cattle Reared In A Private Dairy Cattle Enterprise In Aydın, Mehmet Kenan Türkyilmaz

Turkish Journal of Veterinary & Animal Sciences

The aim of this study was to investigate the reproductive performance and the factors influencing reproductive performance of Holstein cattle reared in a private dairy cattle enterprise. Over 10 years, 480 records on reproduction were analysed with the least squares technique. Mean days open, services per conception, gestation period and calving interval were 114.5 ± 1.7 days, 2.01 ± 0.04, 278.7 ± 0.3 days and 394.9 ± 1.9 days, respectively. The effect of the lactation number on the gestation period was statistically significant (P < 0.001), whereas calving year and calving season had no significant effect on reproductive performance.

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The Effects Of Dietary Lead Exposure And Ascorbic Acid On Performance, Lipid Peroxidation Status And Biochemical Parameters Of Broilers, Zeynep Erdoğan, Suat Erdoğan, Taylan Aksu, Erol Baytok Jan 2005

The Effects Of Dietary Lead Exposure And Ascorbic Acid On Performance, Lipid Peroxidation Status And Biochemical Parameters Of Broilers, Zeynep Erdoğan, Suat Erdoğan, Taylan Aksu, Erol Baytok

Turkish Journal of Veterinary & Animal Sciences

Lead is one of the ubiquitous environmental pollutants that induce a broad range of physiological and biochemical dysfunctions in animals. This study evaluated the effects of dietary lead exposure and ascorbic acid on performance, serum biochemical parameters, plasma malondialdehyde and lead accumulation in broiler chickens. For this purpose, lead acetate at 200 mg/kg and ascorbic acid at 100 mg/kg were added to the diet alone or in combination for 42 days. A total of 120 broiler chicks were divided into 4 treatment groups: control, ascorbic acid, lead, and lead + ascorbic acid. By the end of the study, lead caused …

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The Effects Of Energy Restricted Diet On The Activities Of Plasma Cu-Zn Sod, Gsh-Px, Cat And Tbars Concentrations In Late Pregnant Ewes, Kemal Öztabak, Sabi̇ha Ci̇velek, Aysel Özpinar, Gülden Burçak, Feraye Esen Jan 2005

The Effects Of Energy Restricted Diet On The Activities Of Plasma Cu-Zn Sod, Gsh-Px, Cat And Tbars Concentrations In Late Pregnant Ewes, Kemal Öztabak, Sabi̇ha Ci̇velek, Aysel Özpinar, Gülden Burçak, Feraye Esen

Turkish Journal of Veterinary & Animal Sciences

The aim of the study was to determine the effects of low energy diets on the enzymatic antioxidant activities of ewes in late pregnancy. Thirty Chios ewes were used. Twenty pregnant ewes were divided into 2 groups of 10 ewes each (groups II and III), with 10 non-pregnant ewes being separated into a third group (group I). The ewes in groups I, II and III were fed rations containing 9.14 MJ ME/kg of dry matter (DM)-10.23% crude protein (CP), 10.20 MJ ME/kg of DM-15.04% CP, and 8.82 MJ ME/kg of DM-14.47% CP, respectively. Plasma copper-zinc superoxide dismutase (Cu-Zn SOD), glutathione …

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Determination Of Entrance Seasons Of Elvers (Anguilla Anguilla L.,1766) In Gözlen Creek And Assessment Of Different Catching Methods, Fahretti̇n Küçük, Erkan Gümüş, İskender Gülle Jan 2005

Determination Of Entrance Seasons Of Elvers (Anguilla Anguilla L.,1766) In Gözlen Creek And Assessment Of Different Catching Methods, Fahretti̇n Küçük, Erkan Gümüş, İskender Gülle

Turkish Journal of Veterinary & Animal Sciences

This study was carried out in Gözlen Creek, located on the Fethiye-Muğla boundary Turkey, between March to July, 1998, and January to July, 1999. Elvers were collected using trap-nets, drift nets, hand scoop nets and electrofishing equipment. Examination indicated that the highest yield was obtained using hand scoop nets (P < 0.05) and electrofishing equipment. Elvers entered Gözlen Creek between February and July. A total of 214 specimens entering the creek were examined and 3 different groups were established according to their morphological characteristics: average weight (W) group I; 0.166 ± 0.007 g, group II; 0.392 ± 0.02 g, group III; 0.800 ± 0.06 g and average total length (L) group I; 56.16 ± 0.06 mm; group II; 64.39 ± 0.11 mm and group III; 82.02 ± 0.18 mm. The length-weight relation of elvers was calculated using regression analysis and was determined as follows: group I; W = 0.0020*L^{2.5327}, group II; W = 0.0015*L^{2.9516}, and group III; W = 0.0023*L^{2.7090}. The condition factor (C) was determined as 0.209 ± 0.009 for group I; 0.154 ± 0.004 for group II and 0.251 ± 0.009 for group III.

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Leiomyoma Localized On The Head Of A Goldfish (Carassius Auratus), Abdulkadi̇r Çi̇ltaş, Olcay Hi̇sar Jan 2005

Leiomyoma Localized On The Head Of A Goldfish (Carassius Auratus), Abdulkadi̇r Çi̇ltaş, Olcay Hi̇sar

Turkish Journal of Veterinary & Animal Sciences

A tumor structure, 2 x 2.5 x 0.7 cm in size, was observed on the top of a goldfish’s (Carassius auratus) head. On histopathological examination of the tumor tissue, palisadic fusiform smooth muscle cells constituting a focal whirling pattern were seen. No mitosis was observed in the cells. In conclusion, the conventional staining results suggested that the tumor was leiomyoma.

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Interactions Among Melatonin Hormone, Catecholamines And Carbonic Anhydrase Enzyme In Trout, Olcay Hi̇sar, Şükri̇ye Aras Hi̇sar, Telat Yanik Jan 2005

Interactions Among Melatonin Hormone, Catecholamines And Carbonic Anhydrase Enzyme In Trout, Olcay Hi̇sar, Şükri̇ye Aras Hi̇sar, Telat Yanik

Turkish Journal of Veterinary & Animal Sciences

No abstract provided.

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Effect Of Lactobacillus Sakei Lb706 On Behavior Of Listeria Monocytogenes In Vacuum-Packed Rainbow Trout Fillets, Şükri̇ye Aras Hi̇sar, Güzi̇n Kaban, Olcay Hi̇sar, Telat Yanik, Mükerrem Kaya Jan 2005

Effect Of Lactobacillus Sakei Lb706 On Behavior Of Listeria Monocytogenes In Vacuum-Packed Rainbow Trout Fillets, Şükri̇ye Aras Hi̇sar, Güzi̇n Kaban, Olcay Hi̇sar, Telat Yanik, Mükerrem Kaya

Turkish Journal of Veterinary & Animal Sciences

The effect of a bacteriocin-producing strain, Lactobacillus sakei Lb706, on the behavior of Listeria monocytogenes in rainbow trout fillets stored under vacuum at 4 ºC for 14 days and at 10 ºC for 5 days was investigated. At 4 ºC, growth of L. monocytogenes was significantly inhibited (P < 0.05) by L. sakei Lb706 during 10 days of storage while bacteriocin-negative Lb706-B did not affect the growth of L. monocytogenes during 14 days of storage. In the presence of the sakacin A-producing strain of L. sakei (Lb706), the growth of L. monocytogenes was significantly inhibited (P < 0.05) in the first 3 days of storage at 10 ºC, after which its count increased to 10^7 CFU/g. The control group and the group containing L. sakei Lb706-B showed similar growth patterns of L. monocytogenes. Significant increases (P < 0.05) were observed in all groups in terms of psychrotrophic bacteria counts. No significant (P > 0.05) changes in pH values during storage at 4 ºC and 10 ºC were determined. Consequently, the results of the present study showed that L. sakei Lb706 can be used as a protective culture in freshwater reared rainbow trout, especially for preventing possible contaminations of Gram-positive food-borne pathogenic bacteria such as L. …

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Distribution Of Antigen Types Of Canine Parvovirus Type 2 In Dogs With Hemorrhagic Enteritis In Turkey, Zeki̇ Yilmaz, Annamaria Pratelli, Serhat Torun Jan 2005

Distribution Of Antigen Types Of Canine Parvovirus Type 2 In Dogs With Hemorrhagic Enteritis In Turkey, Zeki̇ Yilmaz, Annamaria Pratelli, Serhat Torun

Turkish Journal of Veterinary & Animal Sciences

The results of antigenic characterization of canine parvovirus type 2 (CPV2) isolated from the feces of 60 dogs with hemorrhagic enteritis are reported. Antigenic characterization was carried out by comparing the reactivity pattern of 4 monoclonal antibodies (mAbs) to CPV2 in the hemagglutination inhibition (HI) test. CPV2 was detected in 21 out of 60 dogs (35%) and antigenic typing was able to be performed for only 16 dogs with >=1:8 titers. Nine samples were characterized as CPV2a and 7 as CPV2b, indicating that the CPV2a variant was more common than CPV2b in dog populations in Bursa province in Turkey.

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The Impacts Of Beef Prices And Vat On Chicken Meat Consumption: A Partial Equilibrium Approach, Hali̇l Fi̇dan Jan 2005

The Impacts Of Beef Prices And Vat On Chicken Meat Consumption: A Partial Equilibrium Approach, Hali̇l Fi̇dan

Turkish Journal of Veterinary & Animal Sciences

This study examines the impact of beef prices and taxes on chicken meat consumption in Turkey. The model presents a partial equilibrium approach for beef prices and chicken meat consumption in Turkey that can be used for simulation and forecasting. The structure of the model follows the vertical chain of the chicken meat sector, allowing equations for the supply, demand and net trade of chicken meat. The price, income, cross-price and tax elasticities of chicken meat were estimated to determine the impacts of beef prices and VAT. According to the analysis, for slaughtered chicken, the price elasticity was 0.37, the …

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Effects Of Mad Honey On Blood Glucose And Lipid Levels In Rats With Streptozocin-Induced Diabetes, Nuray Öztaşan, Konca Altinkaynak, Fati̇h Akçay, Fatma Göçer, Şenol Dane Jan 2005

Effects Of Mad Honey On Blood Glucose And Lipid Levels In Rats With Streptozocin-Induced Diabetes, Nuray Öztaşan, Konca Altinkaynak, Fati̇h Akçay, Fatma Göçer, Şenol Dane

Turkish Journal of Veterinary & Animal Sciences

This study investigated whether mad honey affects blood glucose and lipid levels in experimental animals. It was found that mad honey caused significant decreases in blood glucose and lipid levels in animals with streptozocin-induced diabetes mellitus (n = 10) and controls (n = 10). These decreases may be due to grayanotoxins in the mad honey causing the islets of Langerhans in the pancreas to secrete insulin by stimulating the parasympathetic nervous system or M_{2}-muscarinic receptors.

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Influence Of Different Light Sources, Illumination Intensities And Storage Times On The Vitamin C Content In Pasteurized Milk, Songül Çakmakçi, Tamer Turgut Jan 2005

Influence Of Different Light Sources, Illumination Intensities And Storage Times On The Vitamin C Content In Pasteurized Milk, Songül Çakmakçi, Tamer Turgut

Turkish Journal of Veterinary & Animal Sciences

The effect of various light sources and illumination intensities on the destruction of vitamin C was determined during the storage of pasteurized milk. For this purpose, raw cow's milk was pasteurized at 72 ^oC for 15 s, and then stored in 2 different refrigerators (4 ± 1^oC) illuminated by fluorescent and tungsten light (normal light) sources with intensities of 1100, 2400 and 5800 lux. As a control group, a pasteurized milk sample was stored at the same temperature under dark conditions. The amount of vitamin C in the milk samples was recorded after 0, 6, 12, 24, 48, 72, 96 …

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Effects Of Dietary Lipids On Growth And Fatty Acid Composition In Russian Sturgeon (Acipenser Gueldenstaedtii) Juveniles, Erdal Şener, Mustafa Yildiz, Esra Savaş Jan 2005

Effects Of Dietary Lipids On Growth And Fatty Acid Composition In Russian Sturgeon (Acipenser Gueldenstaedtii) Juveniles, Erdal Şener, Mustafa Yildiz, Esra Savaş

Turkish Journal of Veterinary & Animal Sciences

Juvenile Russian sturgeon (Acipenser gueldenstaedtii) fed feeds including fish oil, soybean oil and sunflower oil were researched and the effects of the feeds on the growth performance and fatty acid composition of the fish were studied. In the Sapanca Inland Waters Research and Experiment Department of İstanbul University's Faculty of Fisheries, sturgeon juveniles having an approximate initial weight of 27.23 ± 0.98 g were fed experimental feeds containing different kinds of oil for 63 days. Weight gain was 36.83 ± 1.84 g in the fish oil group, 37.63 ± 1.76 g in the sunflower oil group and 32.91 ± 1.93 …

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Dactylogyrus Cornu Linstow, 1878 (Monogenea) Infestations On Vimba (Vimba Vimba Tenella (Nordmann, 1840)) Caught In The Sinop Region Of Turkey In Relation To The Host Factors, Ahmet Özer, Türkay Öztürk Jan 2005

Dactylogyrus Cornu Linstow, 1878 (Monogenea) Infestations On Vimba (Vimba Vimba Tenella (Nordmann, 1840)) Caught In The Sinop Region Of Turkey In Relation To The Host Factors, Ahmet Özer, Türkay Öztürk

Turkish Journal of Veterinary & Animal Sciences

The infestation by a relatively less known monogenean, Dactylogyrus cornu Linstow, 1878, was investigated on vimba, Vimba vimba tenella Nordmann, 1840 in a small stream pouring into the Black Sea in Sinop, Turkey. A total of 122 fish specimens were examined in June 2000. The overall infestation prevalence and mean intensity levels were 100% and 147.7 ± 7.9 parasites per infested fish, respectively. D. cornu was recorded only on the gills of host fish and possible site specificity to the filaments of the second gill arches of the left and right gill arch sets was recorded. The parasite was also …

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Immunohistochemical Localization Of Fsh Cells In The Pars Distalis Of The Pituitary Gland In Five-Month-Old Laying Hens, Hati̇ce Erdost Jan 2005

Immunohistochemical Localization Of Fsh Cells In The Pars Distalis Of The Pituitary Gland In Five-Month-Old Laying Hens, Hati̇ce Erdost

Turkish Journal of Veterinary & Animal Sciences

The present study was performed to determine the structural differences and immunohistochemical distribution of follicle-stimulating hormone (FSH) producing cells in the pars distalis region of the pituitary glands of 5 month-old laying hens, using the labeled avidin-biotin method. Hens begin to lay eggs at approximately the age of 5 months. It was observed that gonadotrophic cells containing FSH were present in both the cephalic and caudal zones and were densely distributed throughout the pars distalis. They appeared to be arranged in either cords or follicles in which branching and anastomosing occurred as well as being found as separate cells. The …

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Some Productive Characteristics Of F_1, B_1 And F_{1}Xb_{1} Crossbreeds From Simmental X Sar Crossbreeding, Mehmet N. Orman, Okan Ertuğrul, Orhan Alpan Jan 2005

Some Productive Characteristics Of F_1, B_1 And F_{1}Xb_{1} Crossbreeds From Simmental X Sar Crossbreeding, Mehmet N. Orman, Okan Ertuğrul, Orhan Alpan

Turkish Journal of Veterinary & Animal Sciences

South Anatolian Red (SAR) cattle are well adapted to the arid, hot and harsh conditions of the region and have the highest milk yield among the local breeds in Turkey. The purpose of this study was to determine the main productive characteristics, such as viability, reproduction and milk production, of F_1, B_1 and F_{1}XB_{1} crossbred genotype groups from Simmental x SAR crossbreeding. A t test was used for 2 group comparisons. In cases of insufficient numbers of variants in the groups Kruskal-Wallis and Mann-Whitney U tests were used where appropriate. There was no difficulty during birth in any of the …

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Use Of Salicin-Rhamnose-Cellobiose-4-Methylumbelliferyl-\Beta-D Glucuronide–Sorbitol Macconkey (Src-Mug-Smac) Differential Agar For The Presumptive Identification Of Escherichia Coli O157 From The Primary Isolation Step, Murat Gülmez, Leyla Vatansever, Abamüslüm Güven, Berna Duman, Çi̇ğdem Sezer Jan 2005

Use Of Salicin-Rhamnose-Cellobiose-4-Methylumbelliferyl-\Beta-D Glucuronide–Sorbitol Macconkey (Src-Mug-Smac) Differential Agar For The Presumptive Identification Of Escherichia Coli O157 From The Primary Isolation Step, Murat Gülmez, Leyla Vatansever, Abamüslüm Güven, Berna Duman, Çi̇ğdem Sezer

Turkish Journal of Veterinary & Animal Sciences

A differential agar for the further detection of presumptive Escherichia coli O157 strains among typical sorbitol negative and cefixime-tellurite resistant strains was investigated. For this purpose, in parallel to colonies of 8 reference strains, 1130 suspect colonies picked from the surface of cefixime-tellurite (CT)-sorbitol MacConkey (SMAC) (CT-SMAC) agar plates of food samples (white cheese, raw milk and ground beef) were transferred to differential agar plates. After a 6-h incubation period at 42 ºC, only 47 (4.15%) of the 1130 colonies appeared as typical E. coli O157 on the differential agar plates (100 x 15 mm) gridded into 25 numbered sections. …

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Effects Of Urea Or Urea Plus Molasses Supplementation To Silages With Different Sorghum Varieties Harvested At The Milk Stage On The Quality And In Vitro Dry Matter Digestibility Of Silages, Bi̇lal Keski̇n, İ. Hakki Yilmaz, M. Aki̇f Karsli, Hüseyi̇n Nursoy Jan 2005

Effects Of Urea Or Urea Plus Molasses Supplementation To Silages With Different Sorghum Varieties Harvested At The Milk Stage On The Quality And In Vitro Dry Matter Digestibility Of Silages, Bi̇lal Keski̇n, İ. Hakki Yilmaz, M. Aki̇f Karsli, Hüseyi̇n Nursoy

Turkish Journal of Veterinary & Animal Sciences

The objective of this study was to evaluate the effects of 0.5% urea and 0.5% urea plus 4% molasses (on weight basis) addition to sorghum silages ensiled using 4 sorghum varieties (Grass II, Grazer, Gözde, and P-988) harvested at the milk stage. Plant materials were ensiled in 1-kg jars and the chemical composition, pH, organic acids, in vitro digestibility (IVDMD) and digestible dry matter yield (DDMY) of the silages were determined. Addition of urea and urea plus molasses to silages increased the crude protein ratio significantly (P < 0.01). However, the addition of urea plus molasses significantly decreased the neutral detergent fiber and acid detergent fiber contents of the silages. Additives significantly increased the pH values of the silages. The addition of urea and urea plus molasses to silages generally did not affect acetic or propionic acid content; however, the butyric acid content of the urea and urea plus molasses groups was higher than that of the control groups. IVDMD of all sorghum varieties decreased with the addition of urea and urea plus molasses. Additives did not affect DDMY. In conclusion, the addition of 0.5% urea and 0.5% urea plus 4% molasses to sorghum silages, harvested at the milk stage, improved the CP content of the silages, but they had no positive effect on silage quality, IVDMD or DDMY.

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Concentrations Of Some Minerals In Cows With Retained Placenta And Abortion, Yaşar Akar, Hami̇t Yildiz Jan 2005

Concentrations Of Some Minerals In Cows With Retained Placenta And Abortion, Yaşar Akar, Hami̇t Yildiz

Turkish Journal of Veterinary & Animal Sciences

This study was undertaken to investigate the relationship between blood levels of Ca, Zn, Mg, K, and Na and the occurrence of retained placenta and abortion in cows. Serum samples from 34 cows were analyzed (18 with retained placenta, 10 without retained placenta (control), and 6 that had aborted). Ca and Zn levels in cows with retained placenta were significantly lower than those in the control group. The serum Zn levels of aborted cows were higher (P < 0.001) than those of cows with retained placenta. Cows in the control group and those with retained placenta were divided into subgroups based on age (3, 4-6, 7-9 years old), type of parturition (normal, dystocia), and sex of calves (male, female). The serum Ca concentration of 3-year-old cows with retained placenta was significantly higher (P < 0.05) than that of those 7-9 years old. It is concluded that lower serum Ca and Zn levels in cows may induce placenta retention.

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Alterations In The Immunological Parameters Of Tench (Tinca Tinca L. 1758) After Acute And Chronic Exposure To Lethal And Sublethal Treatments With Mercury, Cadmium And Lead, Syed Lal Shah, Ahmet Altindağ Jan 2005

Alterations In The Immunological Parameters Of Tench (Tinca Tinca L. 1758) After Acute And Chronic Exposure To Lethal And Sublethal Treatments With Mercury, Cadmium And Lead, Syed Lal Shah, Ahmet Altindağ

Turkish Journal of Veterinary & Animal Sciences

Tinca tinca were exposed to lethal and sublethal treatments with mercury, cadmium and lead for acute and chronic periods to study alterations in immunological parameters. Acute lethal exposure (Lc_{50}/48 h ; 96-h Lc_{50} of Hg 1.0, Cd 6.5, Pb 300 ppm) caused a significant increase in Lct in the Hg treatment and a significant decrease in the Pb treatment, and a significant decrease in total WBC count in the Hg and Cd treatments. Lower acute sublethal exposures (10% Lc50/24 h), caused a significant increase in Lct in the Hg and Pb, treatments and a significant increase in total WBC count …

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Purification And Characterization Of Glutathione Reductase From Sheep Liver, Göktuğ Ulusu, Mustafa Erat, Mehmet Çi̇ftçi̇, Hali̇s Şaki̇roğlu, Ebubeki̇r Bakan Jan 2005

Purification And Characterization Of Glutathione Reductase From Sheep Liver, Göktuğ Ulusu, Mustafa Erat, Mehmet Çi̇ftçi̇, Hali̇s Şaki̇roğlu, Ebubeki̇r Bakan

Turkish Journal of Veterinary & Animal Sciences

Glutathione reductase (Glutathione: NADP^+ oxidoreductase, EC 1.8.1.7; GR) was purified from sheep liver. The purification included 4 steps: preparation of homogenate, ammonium sulfate fractionation, 2', 5'-ADP Sepharose-4B affinity chromatography, and gel filtration chromatography. GR was obtained with a yield of 14.1% having a specific activity of 47.27 EU/mg proteins. Optimal pH, stable pH, and optimal temperature were 8.0, 5.5, and 60 °C, respectively. K_M and V_max values for NADPH and GSSG substrates were 0.0258 and 0.0239 mM, and 0.266 and 0.255 EU/ml, respectively. The overall purification was about 1477-fold for liver GR. The enzyme activity was measured spectrophotometrically at 340 …

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An Abattoir Survey Of Gastro-Intestinal Nematodes In Sheep In The Burdur Region, Turkey, Şi̇nasi̇ Umur, Bayram Ali̇ Yukari Jan 2005

An Abattoir Survey Of Gastro-Intestinal Nematodes In Sheep In The Burdur Region, Turkey, Şi̇nasi̇ Umur, Bayram Ali̇ Yukari

Turkish Journal of Veterinary & Animal Sciences

The gastro-intestinal (GI) organs of 50 sheep randomly selected from local abattoirs in the Burdur region were investigated between September 2000 and August 2001 for the prevalence of GI nematodes and their larval forms and the seasonal fluctuations of these parasites. All the animals examined were infected (100%) with GI nematodes. Twenty-two nematode species were identified and 38,639 nematodes were collected from the infected sheep. The number of parasites per sheep ranged from 11 to 5052 (mean 772.78), while the number of nematode species per animal ranged from 1 to 12 (mean 5.98). The most frequently detected nematodes in the …

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The Prevalence Of Cryptosporidium Parvum In Lambs Around Konya, Ferda Sevi̇nç, Uğur Uslu, Özlem Deri̇nbay Jan 2005

The Prevalence Of Cryptosporidium Parvum In Lambs Around Konya, Ferda Sevi̇nç, Uğur Uslu, Özlem Deri̇nbay

Turkish Journal of Veterinary & Animal Sciences

This study was conducted between January and May 2003 in small-holder sheep farms in Konya. A total of 471 faecal specimens obtained from 1-60 - day-old lambs were examined for the oocysts and coproantigens of Cryptosporidium parvum by Modified Ziehl Neelsen (MZN) staining technique and ELISA. The oocysts and coproantigens of C. parvum were identified in 14 (2.97%) and 43 (9.13%) of the 471 lambs, respectively. The infected lambs examined in the study were asymptomatically infected with C. parvum.

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Growth And Feed Utilization In Juvenile Black Sea Turbot (Psetta Maeotica) Under Different Photoperiod Regimes, Ali̇ Türker, Murat Yi̇ği̇t, Sebahatti̇n Ergün Jan 2005

Growth And Feed Utilization In Juvenile Black Sea Turbot (Psetta Maeotica) Under Different Photoperiod Regimes, Ali̇ Türker, Murat Yi̇ği̇t, Sebahatti̇n Ergün

Turkish Journal of Veterinary & Animal Sciences

The effects of 4 different experimental photoperiod regimes, LDN (natural photoperiod), LD24:0 (24 h light:0 h dark), LD12:12 (12 h light:12 h dark) and LD0:24 (0 h light:24 h dark), on feed intake and growth parameters of juvenile turbot (21 ± 2.3 g) in the Black Sea were determined. Growth was highest in the group exposed to the continuous photoperiod (LD24:0), followed by the LD12:12, LDN and LD0:24 groups in descending order. The lowest growth rate was recorded in the LD0:24 group. According to the results obtained, LD24:0 and LD12:12 photoperiod exposures are best for better growth and food conversion …

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Encephalomyelitis Associated With A Sarcocystis-Like Protozoan In A Ten-Month-Old Ewe Lamb, Öznur Yazicioğlu, Ayşen Beyazit Jan 2005

Encephalomyelitis Associated With A Sarcocystis-Like Protozoan In A Ten-Month-Old Ewe Lamb, Öznur Yazicioğlu, Ayşen Beyazit

Turkish Journal of Veterinary & Animal Sciences

This paper reports the pathological findings of non-suppurative encephalomyelitis associated with a Sarcocystis-like protozoan in a 10-month-old ewe lamb showing neurological signs. The encephalomyelitis was characterized by mild to moderate multifocal perivascular mononuclear cell infiltrations, and randomly scattered glial foci, especially more severe in the thalamus, cerebellum, and pons. A few protozoan meronts were observed within the endothelium of small capillaries in the thalamus, and small numbers of mature tissue cysts, similar to muscle sarcocysts, in sections of the cerebrum and pons. All muscle samples of this lamb had also a severe mixed infection with sarcocysts of S. tenella and …

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Pseudolichus Solutocurtus Dubinin, 1956 (Acarina, Pterolichoidea) And Harpyrhynchus Sp. (Acarina, Harpyrhynchidae Dubinin, 1957) Species Recorded For The First Time On Wild Partridges In Turkey, Nursel Aksin, Zerri̇n Erdoğmuş Jan 2005

Pseudolichus Solutocurtus Dubinin, 1956 (Acarina, Pterolichoidea) And Harpyrhynchus Sp. (Acarina, Harpyrhynchidae Dubinin, 1957) Species Recorded For The First Time On Wild Partridges In Turkey, Nursel Aksin, Zerri̇n Erdoğmuş

Turkish Journal of Veterinary & Animal Sciences

This study was performed to determine the presence of mite species on wild partridges in Elazığ district. For this purpose, a total of 68 partridges were caught in the 1996-2000 hunting seasons and inspected for the presence of mite species. At the end of the examinations 8 partridges were found to be infested by mites. Two different mite species were found on the infested partridges. These species were identified as Pseudolichus solutocurtus (Dubinin, 1956) and Harpyrhynchus sp. (Harpyrhynchidae Dubinin, 1957). In conclusion, 2 species of mites not reported before in the mite fauna of Turkey were found.

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A Study On The Effects Of Levamisole On The Immune System Of Rainbow Trout (Oncorhynchus Mykiss, Walbaum), Ünal İspi̇r, Mustafa Dörücü Jan 2005

A Study On The Effects Of Levamisole On The Immune System Of Rainbow Trout (Oncorhynchus Mykiss, Walbaum), Ünal İspi̇r, Mustafa Dörücü

Turkish Journal of Veterinary & Animal Sciences

The effects of levamisole on the specific and non-specific immune mechanisms of rainbow trout (Oncorhynchus mykiss, Walbaum) were examined. The weight of the 60 fish used (30 in the control group and 30 in the experimental group) in this study was 99.4-216.0 g. After injecting 5 mg kg-^1 of levamisole intraperitonally, blood was taken from the heart of 30 anesthetized fish and hematocrit, leucocrit, leucocyte level, glass-adherent Nitroblue tetrazolium (NBT) positive cell activation, NBT activities, phagocytic activity, potential killing activities of neutrophyl and monocytes, myeloperoxidase production (MPO), immunoglobulin, lysozyme and ceruloplasmin (Cp) activity were determined on days 3, 7, 10 …

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Effects Of Vitamin C Supplementation On Egg Production Traits And Eggshell Quality In Japanese Quails (Coturnix Coturnix Japonica) Reared Under High Ambient Temperature, Hüsnü Erbay Bardakçioğlu, Mehmet Kenan Türkyilmaz, Ahmet Nazligül, Ahmet Gökhan Önol Jan 2005

Effects Of Vitamin C Supplementation On Egg Production Traits And Eggshell Quality In Japanese Quails (Coturnix Coturnix Japonica) Reared Under High Ambient Temperature, Hüsnü Erbay Bardakçioğlu, Mehmet Kenan Türkyilmaz, Ahmet Nazligül, Ahmet Gökhan Önol

Turkish Journal of Veterinary & Animal Sciences

This study was carried out to investigate the effects of dietary vitamin C supplementation on some egg production traits and eggshell quality in Japanese quails reared under high ambient temperature. One hundred fifty-eight 11-week-old female Japanese quails were used. The birds were divided into 4 dietary treatment groups according to vitamin C levels as follows: control (basal ration), treatment I (basal ration + 150 ppm vitamin C), treatment II (basal ration + 250 ppm vitamin C) and treatment III (basal ration + 500 ppm vitamin C). The quails were housed for 9 weeks at high ambient temperature (34 ± 2 …

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