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Articles 31 - 60 of 162
Full-Text Articles in Veterinary Medicine
Reproductive Biology In A Native European Catfish, Silurus Glanis L., 1758, Population In Menzelet Reservoir, Ahmet Alp, Cemi̇l Kara, Hakan Murat Büyükçapar
Reproductive Biology In A Native European Catfish, Silurus Glanis L., 1758, Population In Menzelet Reservoir, Ahmet Alp, Cemi̇l Kara, Hakan Murat Büyükçapar
Turkish Journal of Veterinary & Animal Sciences
The reproductive activities of Silurus glanis were investigated over 12 months in Menzelet Reservoir, in the East Mediterranean region of Turkey. Total length of the examined 245 S. glanis varied from 33.4 cm (220 g) to 195.0 cm (48,000 g), and age distribution ranged between 1 and 14. Observations on the seasonal distribution of the maturity stages and variations in the gonadosomatic index (GSI) confirmed that Silurus glanis has a prolonged spawning period extending from the beginning of June to August. The males mature earlier than the females, at a minimum size of 78.82 cm in total length and at …
Edwardsiella Ictaluri Infection In Rainbow Trout (Oncorhynchus Mykiss), Oktay Keski̇n, Selçuk Seçer, Müjgan İzgür, Süheyla Türkyilmaz, Rajhab Sawasawa Mkakosya
Edwardsiella Ictaluri Infection In Rainbow Trout (Oncorhynchus Mykiss), Oktay Keski̇n, Selçuk Seçer, Müjgan İzgür, Süheyla Türkyilmaz, Rajhab Sawasawa Mkakosya
Turkish Journal of Veterinary & Animal Sciences
The aim of this study was to isolate Edwardsiella ictaluri from diseased rainbow trout obtained from a commercial farm in the Ankara region, Turkey. Growth of the microorganism after 36 h of incubation was higher and purer at 28 ºC than at 37 ºC on all the organs (liver, spleen, kidney) of the 10 fish examined. Three groups, each consisting of 3 fish were used for experimental infection. All the fish in Group I, which received a pure culture suspension, died after treatment. There were no clinical symptoms of the disease or deaths in Group II treated with 1/50 concentration …
Determination Of Microbial Gas Production, Fermentation Kinetics And Digestibility Of Alternative Crop Silages, İsmai̇l Akyol, Emi̇n Özköse, Mehmet Sai̇t Eki̇nci̇
Determination Of Microbial Gas Production, Fermentation Kinetics And Digestibility Of Alternative Crop Silages, İsmai̇l Akyol, Emi̇n Özköse, Mehmet Sai̇t Eki̇nci̇
Turkish Journal of Veterinary & Animal Sciences
Microbial gas production (MGP), fermentation kinetics and DM loss of crop silages made from 7 different plant families (barley/pea, clover, grass, kale, lotus, lucerne, sainfoin) and 10 different refusals were determined. The pressure transducer technique (PTT) was used to measure the microbial gas production of fresh and ground silages and refusal samples at regular intervals throughout the 120 h incubation. The MGP of fresh and ground silages were similar (r^2 = 0.90). The maximum gas production was obtained from kale for ground and fresh silages whilst grass silage yielded the maximum gas pool for refusals. No differences were found between …
Seroprevalence Of Babesia Ovis In Sheep Around Afyon, Hati̇ce Çi̇çek, Ali̇ Düzgün, Zi̇şan Emre, K. Zafer Karaer
Seroprevalence Of Babesia Ovis In Sheep Around Afyon, Hati̇ce Çi̇çek, Ali̇ Düzgün, Zi̇şan Emre, K. Zafer Karaer
Turkish Journal of Veterinary & Animal Sciences
This study was carried out to determine the seroprevalence of Babesia ovis around Afyon between June and September 2000. During this period, blood samples were collected to obtain serum samples from total of 204 Akkaraman sheep in different age groups in 9 different localities. During sampling, peripheral blood smears were prepared from the punctured ear of each animal. Ticks were also collected from the animals sampled. The sera were tested for the presence of antibodies to B. ovis by ELISA. The blood smears were stained with 5% Giemsa stain solution and were examined microscopically. Antibodies against B. ovis were detected …
Dairy Cattle Farming In Kars District, Turkey: I. Characteristics And Production, Hi̇dayet Meti̇n Erdoğan, Mehmet Çi̇ti̇l, Vehbi̇ Güneş, Mustafa Saatci
Dairy Cattle Farming In Kars District, Turkey: I. Characteristics And Production, Hi̇dayet Meti̇n Erdoğan, Mehmet Çi̇ti̇l, Vehbi̇ Güneş, Mustafa Saatci
Turkish Journal of Veterinary & Animal Sciences
The objectives of the present study were to determine farm characteristics and production traits on dairy farms in Kars. A 2-stage stratified random sampling strategy was used to select localities (7) and farms (45). The study involved an interview with the farmers and regular visits to the farms. The survey identified important farm characteristics including demography, production and management practices. The results describe (a) farm demographics (number of family members, education of farmers, animal caretakers employed, types of herds, herd sizes, breeds, and age categories), (b) farm management practices; management at feeding (type, source, storage of feedstuffs, feeding, water supply …
Hypertrophic Osteodystrophy In The Dog: 18 Cases, Kürşat Özer, Kemal Altunatmaz, Ahmet Gülçubuk
Hypertrophic Osteodystrophy In The Dog: 18 Cases, Kürşat Özer, Kemal Altunatmaz, Ahmet Gülçubuk
Turkish Journal of Veterinary & Animal Sciences
Hypertrophic osteodystrophy was diagnosed in 16 male and 2 female puppies aged between 2.5 and 8 months. All animals had stiff and stilted gait, painful swellings in the metaphyseal areas of the antebrachium and tibia, pyrexia, weakness and diarrhoea as common symptoms. Radiological examination of the affected areas showed extraperiosteal bone proliferations. With chronicity, the new bone formation spanned the entire diaphysis from the distal to the proximal metaphysis. Two dogs were treated with parenteral administration of analgesics, corticosteroids, vitamin C, and antibiotics in addition to dietary management. These 2 puppies, which had shown a clinical improvement during the long …
Morphometry Of The Lymph Nodes Excluding The Thoracic And Abdominal Cavity In Wistar Rats, İlknur Dabanoğlu, Hüsnü Erbay Bardakçioğlu, Fi̇gen Sevi̇l, Di̇dem Alp
Morphometry Of The Lymph Nodes Excluding The Thoracic And Abdominal Cavity In Wistar Rats, İlknur Dabanoğlu, Hüsnü Erbay Bardakçioğlu, Fi̇gen Sevi̇l, Di̇dem Alp
Turkish Journal of Veterinary & Animal Sciences
Ten male adult Wistar rats were used to obtain some measurements of the lymph nodes located in the head, neck, forelimb and hindlimb. The lymph nodes were marked by the injection of Evans Blue and were then dissected. In order to provide sufficient data for the morphometric properties of lymph nodes, the lymph nodes on each side were counted, and the longest and widest diameters of the lymph nodes were also measured. The mandibular lymph nodes were found to be higher in number in comparison with the other lymph nodes investigated. The largest was found in the axillary accessory lymph …
Replacement Of Fetal Calf Serum With Synthetic Serum Substitute In The In Vitro Maturation Medium: Effects On Maturation, Fertilization And Subsequent Development Of Cattle Oocytes In Vitro, Hakan Sağirkaya, Mehmet Yağmur, Zekari̇ya Nur, Mustafa Kemal Soylu
Replacement Of Fetal Calf Serum With Synthetic Serum Substitute In The In Vitro Maturation Medium: Effects On Maturation, Fertilization And Subsequent Development Of Cattle Oocytes In Vitro, Hakan Sağirkaya, Mehmet Yağmur, Zekari̇ya Nur, Mustafa Kemal Soylu
Turkish Journal of Veterinary & Animal Sciences
The aim of this study was to investigate the possibility of using synthetic serum substitute (SSS) instead of fetal calf serum (FCS) in maturation medium to stimulate in vitro maturation (IVM), fertilization (IVF) and subsequent development of bovine oocytes. Ovaries were obtained from a local slaughterhouse. Selected oocytes were matured in tissue culture medium 199 (M-199) supplemented with 2 mM glutamine + 0.25 mM Na-pyruvate + 0.5 µg/ml of FSH + 5 µg/ml of LH + 25 µg/ml of gentamycin and 10% FCS or 10% SSS (FCS and SSS groups, respectively) for 22 h. Matured oocytes were fertilized in vitro …
Inhibition Effect Of Some Chemical Anesthetics And Hypothermia On The Activity Of Glucose 6-Phosphate Dehydrogenase From Rainbow Trout (Oncorhynchus Mykiss) Erythrocytes In Vivo, Abdulkadi̇r Çi̇ltaş, Orhan Erdoğan, Olcay Hi̇sar, E. Mahmut Kocaman
Inhibition Effect Of Some Chemical Anesthetics And Hypothermia On The Activity Of Glucose 6-Phosphate Dehydrogenase From Rainbow Trout (Oncorhynchus Mykiss) Erythrocytes In Vivo, Abdulkadi̇r Çi̇ltaş, Orhan Erdoğan, Olcay Hi̇sar, E. Mahmut Kocaman
Turkish Journal of Veterinary & Animal Sciences
Many chemical anesthetics and drugs have been used in fish stripping, surgery and transportation, but their undesirable side effects on the body metabolism during treatment are not usually taken into consideration. In this study, we investigated the inhibition effect of some chemical anesthetics, such as Tranquil and tricaine methanesulfonate (MS-222), and hypothermia on glucose 6-phosphate dehydrogenase (G6PDH) activity. The control, initial, 1 h and 4 h values were 41.334 ± 3.190 EU (g Hb)^{-1}, 34.586 ± 5.086 EU (g Hb)^{-1}, 40.768 ± 3.430 EU (g Hb)^{-1} and 41.957 ± 3.157 EU (g Hb)^{-1}, respectively, in hypothermia. These values were 39.470 …
In Vitro Effects Of Linamarin, Amygdalin And Gossypol Acetic Acid On Hyaluronidase Activity, Sperm Motility And Morphological Abnormality In Bull Sperm, Sadetti̇n Tanyildizi, Tanzer Bozkurt
In Vitro Effects Of Linamarin, Amygdalin And Gossypol Acetic Acid On Hyaluronidase Activity, Sperm Motility And Morphological Abnormality In Bull Sperm, Sadetti̇n Tanyildizi, Tanzer Bozkurt
Turkish Journal of Veterinary & Animal Sciences
In vitro effects of various doses of linamarin, amygdalin and gossypol acetic acid on sperm hyaluronidase activity and the percentages of motile spermatozoa and morphology were investigated in bull sperm. Holstein bulls (n = 12) aged between 2 and 3 were used in the study. Semen samples were collected from each animal 3 times and used for incubation. The samples were divided into 5 equal parts and mixed (v/v) with linamarin at doses of 0.5, 0.75, 1 and 2 µM, with amygdalin at doses of 0.4, 0.8, 1 and 2 µM and with gossypol acetic acid at doses of 2.5, …
Effects Of Spatially Localized And Dispersed Patterns Of Feed Distribution On The Growth, Size Dispersion And Feed Conversion Ratio Of The African Catfish (Clarias Gariepinus), Feri̇t Rad, Gülderen Kurt, A. Sezai̇ Bozaoğlu
Effects Of Spatially Localized And Dispersed Patterns Of Feed Distribution On The Growth, Size Dispersion And Feed Conversion Ratio Of The African Catfish (Clarias Gariepinus), Feri̇t Rad, Gülderen Kurt, A. Sezai̇ Bozaoğlu
Turkish Journal of Veterinary & Animal Sciences
The effects of spatially localized and spatially dispersed feeding patterns on the growth, size distribution and feed conversion ratio of the African catfish were investigated. Two groups of fish with an initial weight of 82.16 ± 4.80 and 82.40 ± 3.90 g were subjected to point source and scatter feeding patterns, respectively, for 2 months. Scatter fed fish reached a final mean weight of 192.69 ± 6.60 g while the mean final weight of point source fed fish was 169.67 ± 6.80 g ( P < 0.05). The specific growth rates of scatter and point source fed fish were 1.51% day^{-1} and 1.29% day^{-1}, respectively. The feed conversion ratio of scatter fed fish was 1.86 and that of point source fed fish was 2.29. The difference between the coefficient of size variation for scatter and point source fed fish was statistically insignificant (P > 0.05). However, the final size distribution curve for the scatter fed group showed a more …
Pathological Findings In Acute Amitraz Intoxication In Mice, Ayhan Fi̇lazi̇, Tolga Güvenç, Cavi̇t Kum, Seli̇m Sekki̇n
Pathological Findings In Acute Amitraz Intoxication In Mice, Ayhan Fi̇lazi̇, Tolga Güvenç, Cavi̇t Kum, Seli̇m Sekki̇n
Turkish Journal of Veterinary & Animal Sciences
This study examined the pathological changes in tissues and organs with acute intoxications with amitraz and its veterinary medicinal formulation. In total 312 healthy white English mice (Mus musculus), 156 female and 156 male, were used for this purpose. The solutions were given to the mice by gavage at the following dosages: 500, 1000, 1500, 1800, 2200 or 2500 mg of technical amitraz/kg and 50, 100, 250, 500, 750 or 1000 mg of amitraz/kg in a veterinary formulation. There was an interval of 1 week after the administration of the study medication. Necropsies were performed immediately on the mice that …
Death Kinetics Of E. Coli O157:H7, E. Coli And Natural Contaminant Coliforms In Minced Beef During Irradiation Treatment And Storage, Hi̇lal Beyhan Doğan Halkman
Death Kinetics Of E. Coli O157:H7, E. Coli And Natural Contaminant Coliforms In Minced Beef During Irradiation Treatment And Storage, Hi̇lal Beyhan Doğan Halkman
Turkish Journal of Veterinary & Animal Sciences
The death kinetics of Escherichia coli O157:H7, E. coli type 1 and total coliforms after irradiation treatment in minced beef were evaluated to analyze the effect of increasing irradiation doses. Irradiation doses ranging from 0.0 kGy to 1.5 kGy were evaluated for reducing numbers of E. coli during frozen storage conditions at –18 oC for 30 days. D_{10} values of E. coli O157:H7, E. coli type 1, and total coliforms were 0.245 kGy, 0.552 kGy and 0.293 kGy, respectively. An irradiation dose of 1.5 kGy was shown to inactivate 10^5 MPN/g of serotype O157:H7 and 10^3 MPN/g of E. coli …
A Study On Survival Of Listeria Monocytogenes During Manufacture And Ripening Of Kashar Cheese, Fi̇gen Çeti̇nkaya, G. Ece Soyutemi̇z
A Study On Survival Of Listeria Monocytogenes During Manufacture And Ripening Of Kashar Cheese, Fi̇gen Çeti̇nkaya, G. Ece Soyutemi̇z
Turkish Journal of Veterinary & Animal Sciences
This study was performed to determine the survival of Listeria monocytogenes during the manufacture and ripening of Kashar, a popular cheese in Turkey. Raw milk was inoculated at 4 different levels with L. monocytogenes serotype 4b (ca. 3, 4, 5, and 6 log cfu ml^{-1} for group 1, 2, 3 and 4 cheeses, respectively) and made into Kashar cheese using the traditional technique. Following dry salting for 10 days at 18 ± 2 ºC, the Kashar cheese was ripened for 20 days at the same temperature and then stored at 5 ± 1 ºC for 3 months. Samples of milk, …
The Structure, Mortality And Growth Of The Tench [Tinca Tinca (L., 1758)] Population In Çivril Lake, Denizli, Turkey, Süleyman Balik, Hasan M. Sari, Mustafa Ruşen Ustaoğlu, Ali̇ İlhan
The Structure, Mortality And Growth Of The Tench [Tinca Tinca (L., 1758)] Population In Çivril Lake, Denizli, Turkey, Süleyman Balik, Hasan M. Sari, Mustafa Ruşen Ustaoğlu, Ali̇ İlhan
Turkish Journal of Veterinary & Animal Sciences
The population structure, mortality and growth of the tench [Tinca tinca (L., 1758)] in Çivril Lake was investigated, using 506 fish caught with various gill nets between February 1998 and January 1999. The percentages of females and males in the population were 38.34% and 61.66%, respectively, and the overall female-male sex ratio was 1:1.61. Specimens ranged from 11.4 to 28.8 cm in fork length, and from 27.7 to 420.4 g in weight. The age distribution was I-V in the population. For all individuals, the length-weight relation and von Bertalanffy growth parameters were W = 0.018 L^{3.01}, and L_{\infity} = 33.85 …
A Study On The Meat Cost And Marketing Margins Of Cattle Fattening Farms In Erzurum Province, Yavuz Topcu
A Study On The Meat Cost And Marketing Margins Of Cattle Fattening Farms In Erzurum Province, Yavuz Topcu
Turkish Journal of Veterinary & Animal Sciences
The major aim of this study was to analyze the meat cost per kg live weight and marketing margins of cattle fattening farms in Erzurum province in the 2001 production period. Data were collected from 130 cattle fattening farms and different associations. Cattle fattening farms were classified according to their size into 3 groups using stratified random sampling. According to the results obtained, the meat cost per kg live weight was 2.800.000 TL for group 1 farms, 2.840.000 TL for group 2 farms and 2.290.000 TL for group 3 farms. Marketing margins were 33.33% for group 1 and 3 farms …
Changes In Meat Yield And Food Component Of Smoked Tench (Tinca Tinca L., 1758), Levent İzci̇, Ö. Osman Ertan
Changes In Meat Yield And Food Component Of Smoked Tench (Tinca Tinca L., 1758), Levent İzci̇, Ö. Osman Ertan
Turkish Journal of Veterinary & Animal Sciences
In this study, changes in the food component and meat yield in hot smoked tench (Tinca tinca L., 1758) were investigated. The meat yield of tench was calculated as 49.27 ± 0.76%. Before hot smoking the water content, and crude fat, crude protein, crude ash and carbohydrate levels were determined as 83.19 ± 0.56%, 1.11 ± 0.05%, 12.68 ± 0.57%, 1.13 ± 0.10% and 1.89 ± 0.14%, respectively. After hot smoking the water content and crude fat, crude protein, cude ash and carbohydrate levels were determined as 73.59 ± 0.35%, 1.56 ± 0.13%, 18.38 ± 0.64%, 4.29 ± 0.26% and …
The Effect Of Gnrh Administration On Plasma Progesterone And Reproductive Performance In Ewes, Mehmet Aki̇f Çam, Mehmet Kuran, Erdoğan Selçuk
The Effect Of Gnrh Administration On Plasma Progesterone And Reproductive Performance In Ewes, Mehmet Aki̇f Çam, Mehmet Kuran, Erdoğan Selçuk
Turkish Journal of Veterinary & Animal Sciences
Two experiments were carried out to investigate the effect of GnRH administration at mating and on day 12 post-mating on the reproductive performance of Karayaka and Sakız x Karayaka (F_2) crossbred sheep. In the first experiment, ewes were allocated into a control group (K, n = 27), and groups administered 4 µg GnRH at mating (A, n = 27), on day 12 post-mating (AS, n = 30) and both at mating and on day 12 post-mating (AAS, n = 30). GnRH administration in the A and AS groups increased plasma progesterone concentrations (P < 0.01). The pregnancy rate at first mating in the AS group (86.7%) was higher than those in the ASS (66.7%), A (51.9%) and K (51.9%) groups (P < 0.01). There was no difference between the treatment groups in terms of litter sizes (1.31, 1.21, 1.21 and 1.20 for AS, K, A and ASS, respectively). In the second experiment, ewes were allocated into 2 groups, a control group (K, n = 70) and a group administered 4 µg GnRH on day 12 post-mating (AS, n = 73). The pregnancy rate at first mating was 71.4% and 80.8% (P > 0.05) and litter size was 1.24 and …
Prevalence Of Leishmania Infantum And Dirofilaria Immitis Infection In Dogs In Aydın Province And The Town Of Selçuk, İzmir, Turkey, Hüseyi̇n Voyvoda, Serdar Paşa, Seray Özensoy Töz, Yusuf Özbel, Hati̇ce Ertabaklar
Prevalence Of Leishmania Infantum And Dirofilaria Immitis Infection In Dogs In Aydın Province And The Town Of Selçuk, İzmir, Turkey, Hüseyi̇n Voyvoda, Serdar Paşa, Seray Özensoy Töz, Yusuf Özbel, Hati̇ce Ertabaklar
Turkish Journal of Veterinary & Animal Sciences
The aim of this study was to determine the prevalence of Leishmania infantum and Dirofilaria immitis infection in dogs housed outdoors in Aydın province and Selçuk in western Turkey. Anti-Leishmania antibodies were evaluated in sera samples by IFA and ELISA techniques. The presence of D. immitis microfilariae was determined in blood samples by use of the modified Knott’s test. Using the IFA and ELISA on 158 dogs surveyed, 5 (3.2%) were positive for anti-Leishmania antibodies while 22 (13.9%) were found infected with D. immitis. Only 2 out of 5 seropositive dogs exhibited major signs of canine visceral leishmaniosis, and amastigotes …
Karyotype Analysis In Alburnus Heckeli (Battalgil, 1943) From Lake Hazer, Süleyman Gül, Ahmet Çolak, İlhan Sezgi̇n, Bertal Kaloğlu
Karyotype Analysis In Alburnus Heckeli (Battalgil, 1943) From Lake Hazer, Süleyman Gül, Ahmet Çolak, İlhan Sezgi̇n, Bertal Kaloğlu
Turkish Journal of Veterinary & Animal Sciences
Karyotype analysis was performed on Alburnus heckeli (Battalgil, 1943) (Fam: Cyprinidae) by investigating the number and structures of its chromosomes. The fish used in this study were caught with fishing nets in Lake Hazer and were taken to our laboratory. Fish were injected intraperitoneally with doses of 0.01 ml/g body weight of 0.6% colchicine solution and left for 190 min before sacrificing. It was determined by metaphase investigation that A. heckeli has 2n = 50 chromosomes. Its karyotypes were determined to be composed of 7 metacentric, 9 submetacentric and 9 acrocentric chromosome pairs with NF = 82. We were unable …
Persistent Right Aortic Arch And Its Surgical Correction In A Dog, Yilmaz Koç, Kürşat Turgut, İsmai̇l Şen, Fahretti̇n Alkan, Fati̇h M. Bi̇rdane
Persistent Right Aortic Arch And Its Surgical Correction In A Dog, Yilmaz Koç, Kürşat Turgut, İsmai̇l Şen, Fahretti̇n Alkan, Fati̇h M. Bi̇rdane
Turkish Journal of Veterinary & Animal Sciences
A young dog was examined because of regurgitating at the time of weaning to solid food. The dog was thin, underweight and had a sparse hair coat and distended abdomen. The cervical oesophagus was palpable as a flaccid, air-filled tube in the neck. Cardiac murmurs were not detected on auscultation of the thorax. A test meal of dog food was given and the dog regurgitated masticated, nondigested food a few minutes after eating. Contrast radiography of the oesophagus revealed contrast material accumulating in the oesophagus at the thoracic inlet and cranial to the heart. During surgery, the dilated portion of …
Effect Of Some Reproductive And Metabolic Problems On Fertility Parameters In Dairy Cows, M. Rifat Salmanoğlu, Bülent Polat, Vi̇sal Kayacik, Abdurrahman Özlüer
Effect Of Some Reproductive And Metabolic Problems On Fertility Parameters In Dairy Cows, M. Rifat Salmanoğlu, Bülent Polat, Vi̇sal Kayacik, Abdurrahman Özlüer
Turkish Journal of Veterinary & Animal Sciences
In this study, the fertility parameters of dairy cows in a herd with or without postparturient problems were investigated. The fertility parameters of 168 cows in 4- and 6-year-old age groups from the Bursa/Karacabey Doğancı Farm during 1999 and 2000 were studied. Data were obtained from 78 healthy cows and 90 cows having one or more problem parameters (e.g., dystocia and hypocalcemia) related to calving-first service interval and the number of services were examined. Calving-first service interval for 4- and 6-year-old healthy cows was 83.29 and 73.62 days, respectively, while it rose to 182.33 days for 4-year-old cows, with dystocia …
Yield Traits Of Geese Of Different Origins Reared In Turkey I. Hatching Traits, Muammer Ti̇lki̇, Şeref İnal
Yield Traits Of Geese Of Different Origins Reared In Turkey I. Hatching Traits, Muammer Ti̇lki̇, Şeref İnal
Turkish Journal of Veterinary & Animal Sciences
This study was carried out to determine the hatching traits of geese of different origins reared in Turkey. In the experiment, geese were selected from different regions of Turkey, (Kars-INRA), Isparta-Armutlu, Konya-Başkuyu and Konya-Tatlıcak); 20 female and 4 male 2-year-old geese were used. Egg production was 39.4, 13.0, 11.4 and 12.6 eggs/geese, and egg laying period was 133, 75, 60 and 73 days, respectively. There were statistically significant differences between the original egg weight and hatched chick weight (P < 0.01). Egg weight loss proportions during incubation for the experimental groups were 12.92, 11.44, 11.38 and 12.22%, respectively.
Effect On Aflatoxin Formation Of Different Storage Conditions In Tulum Cheese Inoculated With Aspergillus Parasiticus Nrrl 2999, Mustafa Gürses, Ahmet Erdoğan, Selahatti̇n Sert
Effect On Aflatoxin Formation Of Different Storage Conditions In Tulum Cheese Inoculated With Aspergillus Parasiticus Nrrl 2999, Mustafa Gürses, Ahmet Erdoğan, Selahatti̇n Sert
Turkish Journal of Veterinary & Animal Sciences
Tulum cheese was divided into 2 equal parts. One part was inoculated with 10^4 spores/g of aflatoxin-producing Aspergillus parasiticus NRRL 2999 strain. The other part, the control group, was not inoculated. All the samples were ripened in glass jars at 2 different temperatures (10 ± 1 and 20 ± 1 °C) and relative humidities (85 ± 2% and 95 ± 2%) and analyzed for aflatoxin formation on days 1, 15, 30, 45, 60 and 90 of storage using thin layer chromatography. Aflatoxins were determined in the inoculated samples after 15 days with incubation at 20 ± 1 °C, while they …
Avian Polyomavirus Infection In Budgerigars (Melopsittacus Undulatus) In Turkey, Özlem Özmen, Gerry M. Dorrestein
Avian Polyomavirus Infection In Budgerigars (Melopsittacus Undulatus) In Turkey, Özlem Özmen, Gerry M. Dorrestein
Turkish Journal of Veterinary & Animal Sciences
Twenty-five young budgerigars that died with the complaints of abdominal distension and crop swelling were examined pathologically. One hundred and twelve, 8-19-day-old chicks died at the same aviary with the same clinical symptoms over 16 months; the morbidity and mortality rate was 100%. Ascites, hydropericardium, crop and oesophagus ulcers, cardiomegaly, splenomegaly, hepatomegaly and focal hepatic necroses were the predominant necroscopic findings. The histopathological examination revealed characteristic intranuclear inclusion bodies in the liver, kidney, spleen, lung, oesophagus, crop, brain, pancreas, heart, gut, thymus and bone marrow. Avian polyomavirus infection was diagnosed after an immunohistochemical examination. This is the first report of …
Age Analysis On Different Bony Structures Of Perch (Perca Fluviatilis L. 1758) Inhabiting Derbent Dam Lake (Bafra, Samsun), Nazmi̇ Polat, Derya Bostanci, Savaş Yilmaz
Age Analysis On Different Bony Structures Of Perch (Perca Fluviatilis L. 1758) Inhabiting Derbent Dam Lake (Bafra, Samsun), Nazmi̇ Polat, Derya Bostanci, Savaş Yilmaz
Turkish Journal of Veterinary & Animal Sciences
The age determination method and its accuracy are the most important subjects for the evaluation of age-length-weight relations in fisheries biology, since estimates of survival, growth and mortality rates, analysis of year-classes, and recruitment all depend on age structure. Thus, the aim of this study was to determine the most reliable bony structure for ageing Perca fluviatilis inhabiting Derbent Dam Lake. Scales, vertebrae, otoliths and opercles removed from each fish were examined by 2 readers 3 times, without referring to any information except for the date of capture and gonad state. The precision of the readers was estimated and ageing …
The Presence Of Yersinia Enterocolitica And Other Yersinia Species In Ground Beef In Aydın, Turkey, Belgi̇n Siriken
The Presence Of Yersinia Enterocolitica And Other Yersinia Species In Ground Beef In Aydın, Turkey, Belgi̇n Siriken
Turkish Journal of Veterinary & Animal Sciences
The objective of this study was to investigate the prevalence of Y. enterocolitica and other Yersinia species in raw ground beef samples and to determine their potential virulence. For this purpose, 61 ground beef samples purchased from 15 different butcher's shops and 3 supermarkets in Aydın province in Turkey were examined between June 2000 and January 2001. The presence of Y. enterocolitica and other Yersinia species was determined using 2 stage enrichment procedures including pre-enrichment (cold) and selective enrichment procedures. All positive cultures of Y. enterocolitica were also tested for markers of virulence including hydrolysis of esculin, fermentation of salicin, …
A Comparative Study On The Milk Yield And Milk Composition Of Two Different Goat Genotypes Under The Climate Of The Eastern Mediterranean, Mahmut Keski̇n, Yahya Kemal Avşar, Osman Bi̇çer, Mutlu Buket Güler
A Comparative Study On The Milk Yield And Milk Composition Of Two Different Goat Genotypes Under The Climate Of The Eastern Mediterranean, Mahmut Keski̇n, Yahya Kemal Avşar, Osman Bi̇çer, Mutlu Buket Güler
Turkish Journal of Veterinary & Animal Sciences
Milk yields and milk compositions of 2 different goat breeds with high milk yields, the Damascus (Shami) goat and the German Fawn x Hair goat crossbred (B_1), were monitored during lactation in order to evaluate their performance under Eastern Mediterranean conditions as an alternative to the Hair goat which has a low milk yield and shorter lactation period. The milk yield was recorded by the ICAR A4 method at 28-day intervals throughout the 240 days of lactation. After weaning on the 60th day of lactation, milk samples were collected at 28-day intervals and were analysed for different milk components. The …
Effects Of Rams And Luteal Or Follicular Phase Ewes On Preovulatory Lh Surge Characteristics In Ewes, Sedat Yildiz, Metehan Uzun, Mehmet Kaya, Ömer Uçar, Meti̇n Çenesi̇z
Effects Of Rams And Luteal Or Follicular Phase Ewes On Preovulatory Lh Surge Characteristics In Ewes, Sedat Yildiz, Metehan Uzun, Mehmet Kaya, Ömer Uçar, Meti̇n Çenesi̇z
Turkish Journal of Veterinary & Animal Sciences
This study aimed to investigate whether the preovulatory LH surge mechanism is involved in sheep-to-sheep interaction for oestrous synchronisation. For that purpose, anoestrous ewes were inserted with intravaginal progestagen sponges for 13 days to induce ovulation. Upon sponge withdrawal, they were introduced either to 4 rams (n = 6, ram group), or to 4 ewes which were in follicular period (n = 6, follicular group), or 4 ewes which were in the luteal period (n = 6, luteal group) or else they were kept alone (n = 6, control group). The ewes were weighed and their body conditions were scored …
Size Composition, Growth Characteristics And Stock Analysis Of The Pikeperch, Sander Lucioperca (L. 1758), Population In Lake Eğirdir, İsmet Balik, Hidir Çubuk, Remzi̇ye Özkök, Rahmi̇ Uysal
Size Composition, Growth Characteristics And Stock Analysis Of The Pikeperch, Sander Lucioperca (L. 1758), Population In Lake Eğirdir, İsmet Balik, Hidir Çubuk, Remzi̇ye Özkök, Rahmi̇ Uysal
Turkish Journal of Veterinary & Animal Sciences
This study was conducted between March 2001 and February 2002 to investigate the size composition, growth characteristics and stock size of the pikeperch, Sander lucioperca (L. 1758), population of Lake Eğirdir. In the population, the rate of individuals more than 2 years of age and 20 cm was very low. The average length and weight of the commercial catch were also low. The length-weight relationship and von Bertalanffy growth equation were W = 0.006 L^{3.148} and L_t = 95.4*(1-e^{-0.0841(t+1.5638)}), respectively, and the average condition factor was 0.992. This last value is higher than those reported in other studies on the …