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Articles 12271 - 12300 of 34737

Full-Text Articles in Medicine and Health Sciences

Elucidating The Role Of Oxygen And Biotype In The Environmental Persistence Of Vibrio Cholerae, Amy M. Freiberg Jan 2019

Elucidating The Role Of Oxygen And Biotype In The Environmental Persistence Of Vibrio Cholerae, Amy M. Freiberg

Honors Undergraduate Theses

Vibrio cholerae is a natural inhabitant of aquatic environments and serves as the etiological agent for the severe diarrheal disease, cholera. Cholera epidemics follow a regular seasonal pattern, which account for tens to hundreds of thousands of deaths in a given year. V. choleraenaturally persist between epidemics through entry into a dormant state known as viable but nonculturable (VBNC). Research has shown that V. choleraein this VBNC state experience drastic morphological and metabolic changes, which serve as survival mechanisms until environmental conditions become suitable again. The natural marine ecosystem that V. cholerae inhabitis comprised of a complex …


Overview Of Direct Thrombin Inhibitors For Use In Staphylococcus Aereus Infections, Joseph C. Risler Jan 2019

Overview Of Direct Thrombin Inhibitors For Use In Staphylococcus Aereus Infections, Joseph C. Risler

Honors Undergraduate Theses

The pathogenicity and intractable nature of the microorganism Staphylococcus aureus (SA) has been long documented and highlighted by many health care agencies, with emphasis on its ability to exploit the human coagulation system to deadly effect. Two drugs from a class of inhibitors known as Direct Thrombin Inhibitors (DTI) have been shown to have a substantial effect on the enzyme secreted by SA known as Staphylocoagulase (SC), but up until now the application of this potential treatment has been limited. This paper strives to supply an overview of these clinical studies and propose a novel protocol for testing DTI's on …


Non-Contact Trapping And Stretching Of Biological Cells Using Dual-Beam Optical Stretcher On Microfluidic Platform, Aotuo Dong, Balaadithya Uppalapati, Shariful Islam, Brandon Gibbs, Ganesan Kamatchi, Sacharia Albin, Makarand Deo Jan 2019

Non-Contact Trapping And Stretching Of Biological Cells Using Dual-Beam Optical Stretcher On Microfluidic Platform, Aotuo Dong, Balaadithya Uppalapati, Shariful Islam, Brandon Gibbs, Ganesan Kamatchi, Sacharia Albin, Makarand Deo

Electrical & Computer Engineering Faculty Publications

Optical stretcher is a tool in which two counter-propagating, slightly diverging, and identical laser beams are used to trap and axially stretch microparticles in the path of light. In this work, we utilized the dual-beam optical stretcher setup to trap and stretch human embryonic kidney (HEK) cells and mammalian breast cancer (MBC) cells. Experiments were performed by exposing the HEK cells to counter-propagating laser beams for 30 seconds at powers ranging from 100 mW to 561 mW. It was observed that the percentage of cell deformation increased from 16.7% at 100 mW to 40.5% at 561 mW optical power. The …


Morphological And Carcass Traits Of Three Chicken Genotypes Under Free-Range, Semiintensive, And Intensive Housing Systems, Sohail Ahmad, Athar Mahmud, Jibran Hussain, Khalid Javed Jan 2019

Morphological And Carcass Traits Of Three Chicken Genotypes Under Free-Range, Semiintensive, And Intensive Housing Systems, Sohail Ahmad, Athar Mahmud, Jibran Hussain, Khalid Javed

Turkish Journal of Veterinary & Animal Sciences

The present study evaluated the effect of housing system on morphometric and carcass traits of 3 chicken genotypes. In total, 180 cockerels and 180 pullets of 6 weeks old were studied. A randomized complete block design in factorial arrangement, with 18 experimental units of 20 birds each, was applied. Treatments consisted of 3 genotypes consisting of purebred Naked Neck (NN) birds and two crossbreeds (Rhode Island Red × Naked Neck = RNN, Black Australorp × Naked Neck = BNN) and 3 housing systems (free-range, semiintensive, and intensive). Regarding males, RNN chickens had the highest weight at slaughter (1491.12 ± 64.10 …


Leptin Supplementation In Embryo Culture Medium Increases In Vivo Implantation Rates In Mice, Ali̇ Ci̇han Taşkin, Ahmet Kocabay Jan 2019

Leptin Supplementation In Embryo Culture Medium Increases In Vivo Implantation Rates In Mice, Ali̇ Ci̇han Taşkin, Ahmet Kocabay

Turkish Journal of Veterinary & Animal Sciences

Leptin is a hormone-like protein consisting of 167 amino acids. The aim of this study is to compare the effects of different leptin concentrations on in vitro and in vivo embryo development rates. In vitro development rates were investigated by embryo culture studies, and in vivo implantation rates and the quality of embryos were assessed by embryo transfers to the recipient mice. The results showed that addition of leptin into the embryo culture medium at 10 and 100 ng/mL doses supported the in vitro development of mouse embryo. Moreover, leptin increased the total cell number of blastocyst, particularly the trophectoderm …


Deviations Of Feedstuffs Loading In Tmr Preparation, Seli̇m Sirakaya, Osman Küçük Jan 2019

Deviations Of Feedstuffs Loading In Tmr Preparation, Seli̇m Sirakaya, Osman Küçük

Turkish Journal of Veterinary & Animal Sciences

Loading of feedstuffs in planned amounts in total mixed ration (TMR) recipes are very important in terms of profitability, productivity, animal health, and performance. In the scope of this study, the planned and loaded feedstuffs amounts were determined in the mixer wagons. The study was conducted on a dairy cattle farm with ~1500 milking cow capacity. In this study, 13,276 feedstuffs loading data were examined and the mean and standard deviation of the deviation from the planned amount was 8.95 ± 18.38%. Deviation values of feedstuffs loading were found to be different; according to 1- TMR preparing operators, 2- type …


Evaluation Of The Attitudes Of Veterinary Students Towards Cancer In Animals Using A Cancer Attitude Scale For Animals, İbrahi̇m Kiliç, İbrahi̇m Demi̇rkan, Aysun Çevi̇k Demi̇rkan, Si̇nan Saraçli Jan 2019

Evaluation Of The Attitudes Of Veterinary Students Towards Cancer In Animals Using A Cancer Attitude Scale For Animals, İbrahi̇m Kiliç, İbrahi̇m Demi̇rkan, Aysun Çevi̇k Demi̇rkan, Si̇nan Saraçli

Turkish Journal of Veterinary & Animal Sciences

The aim of this descriptive study was to examine the attitudes of veterinary undergraduate students towards cancer in animals with cognitive, affective, and behavioral dimensions by a new cancer attitude scale for animals approach. Questionnaires, as data collection tools, were applied to 205 students training to be veterinary surgeons at Afyon Kocatepe University, Faculty of Veterinary Medicine, who were selected by systematic random sampling method. Validity-reliability analysis and t-test as well as ANOVA were used in addition to descriptive statistics for the data analysis. The students? general attitudes to cancer were (X = 3.65) greater than the midscore, 3, according …


Isolation And Molecular Characterization Of Salmonella Enterica And Escherichia Coli From Poultry Samples, Ayli̇n Cesur, Saci̇de Özlem Ulutaş, Yeşi̇m Soyer Jan 2019

Isolation And Molecular Characterization Of Salmonella Enterica And Escherichia Coli From Poultry Samples, Ayli̇n Cesur, Saci̇de Özlem Ulutaş, Yeşi̇m Soyer

Turkish Journal of Veterinary & Animal Sciences

Innumerable foodborne pathogens including Salmonella and Escherichia coli pose a serious threat to human health and food safety. As perishable foods, poultry products are considered one of the most common sources of foodborne pathogens including Salmonella and E. coli due to transmission of drug resistance, dissemination of organisms, and cross-contamination. In our study, phenotypic and genotypic characterizations of Salmonella enterica and E. coli isolated from packaged raw chicken products were carried out. Samples belonging to different commercial brands were collected in Ankara in 2015. Among 15 out of 19 Salmonella enterica subsp. enterica strains isolated from different and/or same poultry …


Old Age-Associated Impairment Of The Rat Liver Antioxidant Defense System: The Basis For Affirmation Of The Experimental Model, Marko Miler, Vladimir Ajdzanovic, Jasmina Zivanovic, Ivana Jaric, Branka Sosic-Jurjevic, Milica Potrebic, Verica Milosevic Jan 2019

Old Age-Associated Impairment Of The Rat Liver Antioxidant Defense System: The Basis For Affirmation Of The Experimental Model, Marko Miler, Vladimir Ajdzanovic, Jasmina Zivanovic, Ivana Jaric, Branka Sosic-Jurjevic, Milica Potrebic, Verica Milosevic

Turkish Journal of Veterinary & Animal Sciences

No abstract provided.


Determination Of Antioxidants In Bovine Oviduct Epithelial Cell Culture Isolated At Different Periods Of The Estrous Cycle, Aytül Kürüm, Si̇yami̇ Karahan, Hakan Kocamiş, Mi̇yase Çinar, Emel Ergün Jan 2019

Determination Of Antioxidants In Bovine Oviduct Epithelial Cell Culture Isolated At Different Periods Of The Estrous Cycle, Aytül Kürüm, Si̇yami̇ Karahan, Hakan Kocamiş, Mi̇yase Çinar, Emel Ergün

Turkish Journal of Veterinary & Animal Sciences

Oxidative stress interferes with oviduct functions including oocyte maturation, capacitation, fertilization, and embryo and gamete transport. This study aimed to determine activity of the antioxidants glutathione peroxidase (GPX-I), superoxide dismutase (SOD), and catalase (CAT) in bovine oviduct epithelial cells (BOEC) isolated from the isthmus and ampulla of the oviduct at estral (n = 7) and luteal phases (n = 7) of the estrous cycle. The antioxidant activity was measured at the primary, first, and second passages of the cell culture, and was characterized by cytokeratin expression. The GPX activity increased over the passages in samples of the ampulla and the …


The Effects Of Supplementation Of Rumen-Protected Choline On Some Blood And Milk Metabolites In The Transition Period Of Dairy Cattle, Ni̇yazi̇ Alan, Mustafa Salman Jan 2019

The Effects Of Supplementation Of Rumen-Protected Choline On Some Blood And Milk Metabolites In The Transition Period Of Dairy Cattle, Ni̇yazi̇ Alan, Mustafa Salman

Turkish Journal of Veterinary & Animal Sciences

The aim of this study was to investigate nonesterified fatty acid (NEFA), beta-hydroxy butyric acid (BHBA), and milk urea nitrogen (MUN) profiles for dairy cows fed with rumen-protected choline (RPC) during the transition period. A total of 30 dairy cows were allocated to one control and two experimental groups (10 animals per group) and were fed from 3 weeks before calving to 21 days in milk. The control was fed only the basal diet. Treatment groups 1 and 2 were fed a basal diet containing 60 and 120 g/head/day RPC, respectively. The differences between groups were insignificant for MUN levels …


Molecular Detection Of Anaplasma Spp. In Blood And Milk Of Dairy Cattle In The Philippines, Angelito Pangan Dela Cruz, Remil Linggatong Galay, Kristina Andrea Claveria Sandalo, Flor Marie Immanuelle Rafallo Pilapil-Amante, Tetsuya Tanaka Jan 2019

Molecular Detection Of Anaplasma Spp. In Blood And Milk Of Dairy Cattle In The Philippines, Angelito Pangan Dela Cruz, Remil Linggatong Galay, Kristina Andrea Claveria Sandalo, Flor Marie Immanuelle Rafallo Pilapil-Amante, Tetsuya Tanaka

Turkish Journal of Veterinary & Animal Sciences

Anaplasmosis has become a major concern in the cattle industry throughout the world due to its great economic impact. The causative agents, Anaplasmaspecies, are primarily transmitted by ticks, occurring intracellularly within blood cells, with some species being zoonotic. In this study, the presence of Anaplasma spp. was investigated in the blood and milk of dairy cattle in the Philippines. Blood and milk samples were collected from 98 dairy cattle from selected farms in five provinces in the southern part of Luzon Island in the Philippines. After DNA extraction, a conventional PCR for the control gene actin was performed, followed by …


Snake Envenomation In Two Cattle: Clinical/Laboratory Aspects And Treatment Using Equine-Derived Antivenin Of Viperidae, Nuri̇ Altuğ, Cafer Tayer İşler Jan 2019

Snake Envenomation In Two Cattle: Clinical/Laboratory Aspects And Treatment Using Equine-Derived Antivenin Of Viperidae, Nuri̇ Altuğ, Cafer Tayer İşler

Turkish Journal of Veterinary & Animal Sciences

In this case report, specific antivenin treatment for Viperidae snake envenomation in two cattle was defined for the first time. The diagnosis of snake envenomation was made according to the history and clinical findings. Clinical examination revealed systemic (tachycardia, dyspnea, cyanosis, hypersalivation, ruminal hypotony) and local (swelling of the leg and head) findings depending on the location of snake bites. Laboratory analysis determined granulocytic leukocytosis, monocytosis, decreased iron binding capacity, and increased CK and LDH enzyme activities. In the specific treatment of cases, equine-derived polyvalent antivenin containing antitoxic immunoglobulins against Viperidae species was administered. Additionally, 5% dextrose, antibiotics, dexamethasone, antihistamines, …


The Impact Of Breeder Age On Egg Quality And Lysozyme Activity, Dorota Banaszewska, Barbara Biesiada-Drzazga, Dominik Ostrowski, Kamil Drabik, Justyna Batkowska Jan 2019

The Impact Of Breeder Age On Egg Quality And Lysozyme Activity, Dorota Banaszewska, Barbara Biesiada-Drzazga, Dominik Ostrowski, Kamil Drabik, Justyna Batkowska

Turkish Journal of Veterinary & Animal Sciences

The aim of this study was to analyze the biological components of eggs as well as lysozyme activity in relation to the age of hens. The research material consisted of eggs from parent stock of Ross 308 meat chickens. The eggs were evaluated at peak laying, i.e. eggs from 30-week-old hens, and after peak laying, i.e. from hens aged 60 weeks. Ninety eggs were evaluated in each period (180 eggs in total). Egg quality traits were divided into destructive and nondestructive traits. In addition, lysozyme activity in the albumen of the eggs was assessed. The quantitative characteristics of the eggs …


Evaluation Of Passive Transfer In Goat Kids With Brix Refractometer And Comparison With Other Semiquantitative Tests, Hasan Batmaz, Yi̇ği̇t Kaçar, Onur Topal, Zafer Meci̇toğlu, Kadi̇r Semi̇h Gümüşsoy, Feyyaz Kaya Jan 2019

Evaluation Of Passive Transfer In Goat Kids With Brix Refractometer And Comparison With Other Semiquantitative Tests, Hasan Batmaz, Yi̇ği̇t Kaçar, Onur Topal, Zafer Meci̇toğlu, Kadi̇r Semi̇h Gümüşsoy, Feyyaz Kaya

Turkish Journal of Veterinary & Animal Sciences

The aim of this study was to evaluate the passive transfer (PT) status of goat kids by Brix refractometry and compare the results with other semiquantitative tests (total protein - TP, glutaraldehyde coagulation test - GCT, and gamma-glutamyltransferase - GGT) and immunoglobulin G (IgG). The study was conducted on 75 goat kids born from 47 Saanen goats. The blood samples were collected from the kids on day 0 (presuckling) and on the 1st, 2nd, and 3rd days after birth. The Brix% and TP concentrations were measured with refractometers, and GGT activity was measured using a dry chemistry system. The duration …


Phylogenetic Analyses Of P32, Rpo30, Gpcr, Orf117, And Kelch-Like Genes Of Tunisian Sheeppox Virus Isolates, Jihene Lachheb, Aicha Turki, Houssem Mastour, Jihene Nsiri, Imen El Behi, Imen Labri, Abdeljelil Ghram Jan 2019

Phylogenetic Analyses Of P32, Rpo30, Gpcr, Orf117, And Kelch-Like Genes Of Tunisian Sheeppox Virus Isolates, Jihene Lachheb, Aicha Turki, Houssem Mastour, Jihene Nsiri, Imen El Behi, Imen Labri, Abdeljelil Ghram

Turkish Journal of Veterinary & Animal Sciences

Sheeppox is an economically important disease of small ruminants caused by the sheeppox virus (SPPV). Sheeppox virus (SPPV), goatpox virus, and lumpy skin disease virus are capripoxviruses, antigenically related but genetically distinct. Their differentiation requires analysis at a molecular level. Eleven sheeppox virus isolates from five different regions of Tunisia were collected between 2010 and 2016. SPPV was detected by real-time PCR using SYBR Green technology. Primers amplifying the entire Kelch-like gene were designed. Then the GPCR, RPO30, P32, ORF117, and Kelch-like genes were molecularly analyzed to show the different specific lineage patterns of each species. Phylogenetic analyses revealed three …


Impact Of Light-Emitting Diode And Compact Fluorescent Light Source Type And Cage Tier On Layers Reared In An Enriched Cage System Part 1: Production Performance And Egg Quality, Gülsüm Tünaydin, Bi̇lgehan Yilmaz Di̇kmen Jan 2019

Impact Of Light-Emitting Diode And Compact Fluorescent Light Source Type And Cage Tier On Layers Reared In An Enriched Cage System Part 1: Production Performance And Egg Quality, Gülsüm Tünaydin, Bi̇lgehan Yilmaz Di̇kmen

Turkish Journal of Veterinary & Animal Sciences

This study?s aim was to investigate the effects of age, light source type (light-emitting diode (LED), and compact fluorescent (FLO)), and cage tier on production performance and egg quality traits of layers reared in the enriched cage system. A total of 800 Nick Chick White layers were used in the study. A total of 800 eggs were used for egg quality traits at 25 and 45 weeks of age. The enriched cage tiers were coded as I, II, III, and IV from bottom to top. Layer age significantly affected egg mass, hen-day egg production rate, hen-house egg production rate, feed …


Examining Stance Phases With The Help Of Infrared Optical Sensors In Horses, Ozan Gündemi̇r, Di̇lek Olğun Erdi̇kmen, Zi̇ynet Di̇la Ateşpare, Kozet Avanus Jan 2019

Examining Stance Phases With The Help Of Infrared Optical Sensors In Horses, Ozan Gündemi̇r, Di̇lek Olğun Erdi̇kmen, Zi̇ynet Di̇la Ateşpare, Kozet Avanus

Turkish Journal of Veterinary & Animal Sciences

The purpose of the present study was to examine the walking phases in horses using the OptoGait system, which works with optical sensors. In this pilot study, 52 healthy horses were used. For each horse, an average of 45 steps were examined. The stance phase, swing phase, step distance, and walking speeds of the horses were recorded. The stance phase of each step was examined in a separate manner in 3 steps: contact phase, foot flat, and propulsive phase. The contact phase and the propulsive phase of the forelimb and hind limb were significantly different. The propulsive phase was significantly …


Cyanoacrylate Tissue Adhesive For The Management Of Corneal Perforation In Dogs:A Report Of Three Cases, Je-Hwan Jang, Joon Young Kim Jan 2019

Cyanoacrylate Tissue Adhesive For The Management Of Corneal Perforation In Dogs:A Report Of Three Cases, Je-Hwan Jang, Joon Young Kim

Turkish Journal of Veterinary & Animal Sciences

Corneal perforation can cause profound vision loss and requires immediate treatment. Bandage contact lens insertion and gluing are temporary treatment methods. However, if the patient cannot undergo surgery for a variety of reasons, these methods are inevitably used as permanent treatment methods. The use of cyanoacrylate tissue adhesive (CTA) for the management of corneal perforation in humans has been reported for several decades. Here we describe, for the first time as per our knowledge, the use of CTA (Vetbond) for the management of corneal perforation with a diameter of


Neutralizing Antibody Titers Against Field Strains Of Bovine Viral Diarrhea Virus After Vaccination With Three Commercial Vaccines, Gi̇zem Alpay, Kadi̇r Yeşi̇lbağ Jan 2019

Neutralizing Antibody Titers Against Field Strains Of Bovine Viral Diarrhea Virus After Vaccination With Three Commercial Vaccines, Gi̇zem Alpay, Kadi̇r Yeşi̇lbağ

Turkish Journal of Veterinary & Animal Sciences

Modified killed vaccines against bovine viral diarrhea virus (BVDV) are used worldwide. In the present study, the cross-neutralization antibody responses against field strains from seven subgenotypes of BVDV-1 and one subgenotype of BVDV-2 were evaluated using sera obtained by three inactivated commercial vaccines. One vaccine contained both BVDV-1 and BVDV-2 strains, while the others contained only BVDV-1a. Three vaccine groups, each containing five calves, were vaccinated two times with 30-day intervals. The antibody titers were evaluated by virus neutralization assay. The monovalent vaccine induced the highest antibody titers. Significant levels of neutralizing antibody titers were maintained up to the last …


The Effect Of Tannin Extract And N-3 Fatty Acid Source On Nutrient Digestibility, Blood Metabolites, Enzyme Activity, And Ruminal Parameters Of Lactating Ewes, Roghayeh Valizadeh Yonjalli, Farzad Mirzaei Aghjehgheshlagh, Ali Mahdavi, Bahman Navidshad, Hamid Staji Jan 2019

The Effect Of Tannin Extract And N-3 Fatty Acid Source On Nutrient Digestibility, Blood Metabolites, Enzyme Activity, And Ruminal Parameters Of Lactating Ewes, Roghayeh Valizadeh Yonjalli, Farzad Mirzaei Aghjehgheshlagh, Ali Mahdavi, Bahman Navidshad, Hamid Staji

Turkish Journal of Veterinary & Animal Sciences

This study aimed to evaluate the effects of tannin extract and n-3 fatty acid supplementation on nutrient digestibility, ruminal parameters, blood metabolites, and enzyme activity in lactating ewes. Thirty-six lactating ewes were allocated to 6 experimental groups. The dietary treatments were as follows: 1) control, 2) diet supplemented with 2% dry matter (DM) oak leaf tannin extract, 3) diet supplemented with 2% DM grape pomace tannin extract, 4) diet supplemented with 2% DM linseed oil, 5) diet supplemented with 2% DM oak leaf tannin extract and 2% DM linseed oil, and 6) diet supplemented with 2% DM grape pomace tannin …


Effect Of Spermvital® Technology On Conception Rate In Repeat Breeder Multiparous Dairy Cows: Preliminary Results, Alper Koçyi̇ği̇t, Bariş Atalay Uslu, Sai̇t Şendağ, Eli̇sabeth Treupel, Axel Wehrend Jan 2019

Effect Of Spermvital® Technology On Conception Rate In Repeat Breeder Multiparous Dairy Cows: Preliminary Results, Alper Koçyi̇ği̇t, Bariş Atalay Uslu, Sai̇t Şendağ, Eli̇sabeth Treupel, Axel Wehrend

Turkish Journal of Veterinary & Animal Sciences

The aim of this study was to investigate the effect of SV technology on conception rates in repeat breeder multiparous dairy cows. Seventy-nine multiparous Holstein cows from a private dairy farm were used in the study. These animals were cows that had failed to conceive from at least 3 regularly spaced services (repeat breeders). Estrus cycles of the cows were synchronized by 2 injections of the PG analogue, administered 11 days apart. GnRH was applied 48 h after the second injection of PG. Twenty-four h after this administration, the animals were randomly divided into 2 groups, control and SV. The …


Effects Of Supplementary Nano-Zno On In Vitro Ruminal Fermentation, Methane Release, Antioxidants, And Microbial Biomass, Hassan Riazi, Javad Rezaei, Yousef Rouzbehan Jan 2019

Effects Of Supplementary Nano-Zno On In Vitro Ruminal Fermentation, Methane Release, Antioxidants, And Microbial Biomass, Hassan Riazi, Javad Rezaei, Yousef Rouzbehan

Turkish Journal of Veterinary & Animal Sciences

The effects of nano-ZnO on in vitro ruminal fermentation, methane release, total antioxidant capacity (TAC), and microbial biomass production (MBP) were assessed using an in vitro gas production technique. Treatments included a control diet and diets containing 20, 40, or 60 mg of supplemental Zn per kg dry matter (DM) as ZnO or nano-ZnO. As a result of this study, supplementation of 20 mg of Zn as nano-ZnO, similar to ZnO, decreased methane production and protozoa enumeration but improved (P < 0.05) TAC, MBP, digestibility and truly degraded substrate (TDS). As compared with the control treatment, adding the supplementary Zn had no effect on partitioning factor, MBP efficiency, pH, and ammonia-N (P > 0.05). The diets containing 40 and 60 mg of supplementary Zn, as nano-ZnO or ZnO, had no advantage over the …


Histomorphological And Histochemical Structure Of The Midgut And Hindgut Of The Caucasian Honey Bee (Apis Mellifera Caucasia), Ahmet Ceylan, Sedat Sevi̇n, Özge Özgenç Jan 2019

Histomorphological And Histochemical Structure Of The Midgut And Hindgut Of The Caucasian Honey Bee (Apis Mellifera Caucasia), Ahmet Ceylan, Sedat Sevi̇n, Özge Özgenç

Turkish Journal of Veterinary & Animal Sciences

The Caucasian honey bee (Apis mellifera caucasia subspecies of Apis mellifera L.) is one of the most common and prominent honey bee breeds in Turkey. The morphometry of endemic honey bee breeds has been extensively studied, but little attention has been given to the microscopic morphology of these bees. The aim of the current study was to describe for the first time the histomorphology of the midgut and hindgut of the Caucasian honey bee in Turkey. A total of 20 local Caucasian adult honey bee workers were sampled for histomorphological and histochemical analysis. The midgut epithelium consisted of epithelial cells …


Animal Remains Of Alaybeyi Höyük, Abu Bakar Siddiq Jan 2019

Animal Remains Of Alaybeyi Höyük, Abu Bakar Siddiq

Turkish Journal of Veterinary & Animal Sciences

This paper presents the zooarchaeological observations on animal remains of Alaybeyi Höyük unearthed from 2016 and 2017 excavation sessions. Dated to 4721-4553 cal. BC, Alaybeyi stands so far as the oldest archaeological settlement discovered in northeast Anatolia. Therefore, the faunal assemblage at Alaybeyi offers great opportunity to study the status of animals and their relationships with humans in the largely unexplored Kars-Erzurum plateau covering a period from the Chalcolithic to Late Iron Age. Taxonomic and osteometric analyses show that, like the present day, cattle were dominant over caprines, revealing extensive cattle pastoralism in the region for at least about 7 …


The Effect Of Anesthetic (2-Phenoxyethanol) Application On Some Biochemical And Hematological Parameters In Russian Sturgeon (Acipenser Gueldenstaedtii) And Siberian Sturgeon (Acipenser Baerii) During Transport, Selçuk Duman Jan 2019

The Effect Of Anesthetic (2-Phenoxyethanol) Application On Some Biochemical And Hematological Parameters In Russian Sturgeon (Acipenser Gueldenstaedtii) And Siberian Sturgeon (Acipenser Baerii) During Transport, Selçuk Duman

Turkish Journal of Veterinary & Animal Sciences

Experiments were carried out to determine the effect of 2-phenoxyethanol to reduce stress response during the transportation of Russian and Siberian sturgeons. In transportation experiment 1 (TE$_{1}$), Siberian sturgeons (687.2 ± 17.41 g) were stocked in tanks and transported for 90 min (stocking density = 65 ± 0.71 kg/$m^{3}$). Before transport, 0.5 mg/L 2-phenoxyethanol was applied to the first group (TE$_{1-A}$, n = 285) but not to the second group (TE$_{1-B}$, n = 287). In transportation experiment 2 (TE2), Russian sturgeons (1873 ± 159 g) were divided into two groups and stocked in tanks as they have a density of …


Phenotypic Characterization And Differentiation Of Mesenchymal Stem Cells Originating From Adipose Tissue, Ece Çerçi̇, Hati̇ce Erdost Jan 2019

Phenotypic Characterization And Differentiation Of Mesenchymal Stem Cells Originating From Adipose Tissue, Ece Çerçi̇, Hati̇ce Erdost

Turkish Journal of Veterinary & Animal Sciences

Stem cells are known as undifferentiated cells that are capable of divisions and self-renewal over an extended period. Adipose tissue-derived mesenchymal stem cells (ADSCs) are known to differentiate into many different organ and tissue cells. The purpose of this study was to characterize adipose tissue-derived mesenchymal stem cells in detail based on the expression status of certain surface markers and differentiation stages for clinical and laboratory applications. The migrating phase and mitotic property of the cells from adipose tissue were assessed under a microscope. Cell counting was performed during the first, second, and third passages. The cells were differentiated into …


Risk And Protective Factors Associated With Gastrointestinal Parasites Of Dogs From An Urban Area Of Córdoba, Argentina, Carlos Eugenio Motta, Maria Romina Rivero, Carlos Daniel De Angelo, Ana María Sbaffo, Karina Ivana Tiranti Jan 2019

Risk And Protective Factors Associated With Gastrointestinal Parasites Of Dogs From An Urban Area Of Córdoba, Argentina, Carlos Eugenio Motta, Maria Romina Rivero, Carlos Daniel De Angelo, Ana María Sbaffo, Karina Ivana Tiranti

Turkish Journal of Veterinary & Animal Sciences

Prevalence of gastrointestinal (GI) parasites and the effect of associated factors were evaluated in household dogs from an urban area of Córdoba, Argentina. A total of 493 fecal samples were collected during 2010 and 2013 and processed with Willis` salt, Sheathers sugar flotation, and formol-ether concentration techniques. Overall prevalence of GI parasites was 45.23% (95% CI 40.83-49.62), and Ancylostoma caninum (30.83%) was the most frequent parasite, followed by Trichuris vulpis (9.94%), Cystoisospora spp. (7.71%), Toxocara canis (6.90%), and Giardia spp. (5.88%). Independent variables were presence of at least one parasite element, named "all parasites", and each GI parasite more frequently …


The Comparing Of Homogenization Methods For Oxidative And Antioxidative Analyses Of Sperm, Ömer Varişli, Numan Akyol Jan 2019

The Comparing Of Homogenization Methods For Oxidative And Antioxidative Analyses Of Sperm, Ömer Varişli, Numan Akyol

Turkish Journal of Veterinary & Animal Sciences

Pretreatment of sperm for oxidative and antioxidative analysis has been shown to be different in studies. These differences can affect the result of analyses. The aim of this study was to compare the analyses of sperm homogenization methods. The semen of four rams were used in the study. Pretreatment procedures included the rotary, bead, and ultrasonic homogenization methods. Oxidative and antioxidative status of sperm samples was assessed by measuring serum lipid hydroperoxide, total oxidant status, free sulfhydryl groups (SH total thiol), ceruloplasmin, and total antioxidant capacity levels. As a result, the homogenization methods before oxidative and antioxidative status analyses significantly …


Investigating The Effect Of Rutaecarpine On The Benzo[A]Pyrene-Induced Dna Damage In Vitro, You Li Jan 2019

Investigating The Effect Of Rutaecarpine On The Benzo[A]Pyrene-Induced Dna Damage In Vitro, You Li

University of the Pacific Theses and Dissertations

Benzo[a]pyrene (BaP), is one of the most potent mutagens and carcinogens known. It requires metabolic activation through cytochrome P450 (CYP)1A1 to yield the ultimate carcinogenic metabolite, benzo[a]pyrene-7,8-dihydrodiol-9,10-epoxide (BPDE). BPDE can bind to DNA and form predominantly covalent (+) trans adducts at the N2 position of guanine causing DNA damage. Rutaecarpine (RTC) is an herbal medicine that has been used to treat several diseases such as headache, hypertension, gastrointestinal disorders, amenorrhea, and anti-inflammation. It has also been reported as a potent inducer of CYP enzymes, including CYP1A1, and CYP1A2. The mechanisms underlying up-regulation of CYP1A1 by RTC is dependent on aryl …