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Articles 6901 - 6930 of 9766

Full-Text Articles in Medicine and Health Sciences

Investigations Into Dna Vaccination Against Channel Catfish Virus, Heather C. Harbottle Jan 2004

Investigations Into Dna Vaccination Against Channel Catfish Virus, Heather C. Harbottle

LSU Doctoral Dissertations

The leading viral killer of commercially produced channel catfish is Channel Catfish Virus (CCV). Studies conducted to evaluate DNA vaccination against CCV compared encoded gene, dose, multiple DNA vaccines, and immune response to vaccination. Genes were selected (ORFs 1 and 3 [immediate early genes], ORFs 6, 19, and 46 [membrane genes], and ORF59 [putative major envelope glycoprotein gene], cloned into a plasmid, and expressed in mammalian and fish cell culture to detect predicted molecular weight proteins. Plasmid vaccines were injected into fish muscle in doses of 50 μg, 25 μg, 5 μg, or 1 μg and efficacy was evaluated upon …

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Early Tissue Migration Of And Host Response To Brugia Pahangi In Gerbils, Kristina Houpe Porthouse Jan 2004

Early Tissue Migration Of And Host Response To Brugia Pahangi In Gerbils, Kristina Houpe Porthouse

LSU Master's Theses

The host-parasite interaction during early filarial nematode migration is poorly understood. The objective of this study was to develop a model of early cutaneous filarid migration using Brugia pahangi in the jird (gerbil) host and measure the histologic and cytokine responses during this period. Male gerbils were intradermally inoculated in the left hindlimb with 100 B. pahangi L3 then necropsied at 3 hours, 24 hours, 3 days, 7 days, and 28 days post-infection. Larvae were recovered and tissues collected for histology and cytokine measurement. At 3 hours, most larvae (96.3%) were recovered from tissues associated with the infection site. Migration …

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Chromosomal Localization Of A Proinsulin Transgene Inserted With A Transposon-Based Vector Into Japanese Quail, Coturnix Coturnix, Lacey R. Mcnally Jan 2004

Chromosomal Localization Of A Proinsulin Transgene Inserted With A Transposon-Based Vector Into Japanese Quail, Coturnix Coturnix, Lacey R. Mcnally

LSU Doctoral Dissertations

The overall goals of this research were to develop a reproducible method of detecting stable DNA insertion into Japanese quail and provide a method for gene location on avian chromosomes. This research resulted in the development of a different method of obtaining chromosome spreads in Japanese quail, the establishment of primed in situ hybridization as a method for the chromosomal gene detection in birds, development of Teflon-coated coverslip slides to facilitate laser microdissection of 0.5 ƒÝm samples, and chromosomal identification of proinsulin transgene insertions by laser microdissection and nucleotide sequence from G2 Japanese quail. The 28S rDNA was found on …

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A Novel Strategy Of Controlling Bovine Pneumonic Pasteurellosis: Transfecting The Upper Respiratory Tract Of Cattle With A Gene Coding For The Antimicrobial Peptide Cecropin B, Charles Mitchell Boudreaux Jan 2004

A Novel Strategy Of Controlling Bovine Pneumonic Pasteurellosis: Transfecting The Upper Respiratory Tract Of Cattle With A Gene Coding For The Antimicrobial Peptide Cecropin B, Charles Mitchell Boudreaux

LSU Master's Theses

The very potent antibacterial activity of cecropin B makes it a likely candidate to prevent and/or treat Mannheimia haemolytica 1:A infection in the upper respiratory tract (URT) of cattle. The purpose of this study was to ascertain if the URT could be transfected with a gene coding for the antimicrobial peptide cecropin B. By transfecting cattle with a gene coding for cecropin B, this study attempted to inhibit colonization of a virulent strain of M. haemolytica 1:A in the URT while investigating any possible changes in the indigenous and transient nasal flora. In this study the antibacterial efficacy of cecropin …

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The Effects Of Non-Focused Extracorporeal Shock Waves On Neuronal Morphology, Function And Analgesia In Horses, David Manuel Bolt Jan 2004

The Effects Of Non-Focused Extracorporeal Shock Waves On Neuronal Morphology, Function And Analgesia In Horses, David Manuel Bolt

LSU Master's Theses

These studies were conducted to elucidate the regional analgesic effect that is observed clinically after treatment of orthopedic disorders with application of extracorporeal shock waves in horses. Regional analgesia after treatment with extracorporeal shock waves presents a concern because it may eliminate protective limiting mechanisms and may place equine athletes with predisposing lesions at risk of sustaining career- or life-ending injuries. Direct percutaneous application of non-focused extracorporeal shock waves to palmar digital nerves in the pastern area of horses resulted in decreased sensory nerve conduction velocities compared with untreated control nerves at 3, 7, and 35 days after treatment. Transmission …

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Improved Methods For The Isolation And Characterization Of Flavobacterium Columnare, Bradley Donovan Farmer Jan 2004

Improved Methods For The Isolation And Characterization Of Flavobacterium Columnare, Bradley Donovan Farmer

LSU Master's Theses

Columnaris disease, caused by the bacterium Flavobacterium columnare, is an economically significant problem in many warmwater fish species. Difficulties encountered in the isolation and culture of F. columnare have been an impediment to research on the organism and the disease it causes. The goal of this study was to improve the methods for isolation, culture, identification and maintenance of F. columnare. Following the evaluation of different culture media selective cytophaga agar was determined to be the optimum isolation medium, Flavobacterum columnare growth medium proved to be the optimum culture medium, and tryptone yeast extract agar with increased moisture was best …

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In Vitro Evaluation Of The Securos Cranial Cruciate Ligament Repair System And Fluorocarbon Leader Line For Use As Lateral Fabella-Tibial Sutures, Max Nielsen Banwell Jan 2004

In Vitro Evaluation Of The Securos Cranial Cruciate Ligament Repair System And Fluorocarbon Leader Line For Use As Lateral Fabella-Tibial Sutures, Max Nielsen Banwell

LSU Master's Theses

Cranial cruciate ligament (CCL) rupture is a common injury in the dog and major cause of degenerative joint disease. The pathophysiology of CCL rupture in the dog is well described. Osteoarthritis secondary to CCL rupture causes severe pain and lameness. There are many surgical techniques accepted for dogs with CCL rupture. A commonly performed technique is an extracapsular repair with a lateral fabella-tibial suture (LFS) using large diameter nylon leader line (NLL). Mechanical demands placed upon the LFS are high requiring the material used be able to withstand a high amount of force, undergo minimal elongation, and have a high …

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Methods To Induce Earlier Onset Of Cyclicity In Transitional Mares, Abdulhakeem Hashim Aljarrah Jan 2004

Methods To Induce Earlier Onset Of Cyclicity In Transitional Mares, Abdulhakeem Hashim Aljarrah

LSU Master's Theses

The purpose of this study was to investigate methods to induce earlier onset of cyclicity in transitional mares. Two experiments were conducted evaluating the effect of follicular aspiration to advance the onset of cyclicity, more succinctly define criteria for selection of mares for follicular aspiration and to compare aspiration to deslorelin treatment for initiating cyclicity in transitional mares. In Experiment 1, anestrous mares were assigned to control (n=6) or follicular aspiration (n=11). The control mares were monitored twice weekly, until ovulation was detected. The aspiration mares were similarly monitored until a follicle >35 mm was identified, then transvaginal ultrasound guided …

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Ultrastructure Of Mycobacterium Marinum Granuloma In Striped Bass Morone Saxatilis, D. T. Gauthier, W. K. Vogelbein, C. A. Ottinger Jan 2004

Ultrastructure Of Mycobacterium Marinum Granuloma In Striped Bass Morone Saxatilis, D. T. Gauthier, W. K. Vogelbein, C. A. Ottinger

Biological Sciences Faculty Publications

An emerging epizootic of mycobacteriosis currently threatens striped bass Morone saxatilis populations in Chesapeake Bay, USA. Several species of mycobacteria, including Mycobacterium marinum, species resembling M. avium, M. gordonae, M. peregrinum, M. scrofulaceum and M. terrae, and the new species M. shottsii have been isolated from diseased and healthy bass. In this study, we describe the ultrastructure of developing M. marinum granulomas in experimentally infected bass over a period of 45 wk. The primary host response to injected mycobacteria was formation of large macrophage aggregations containing phagocytosed bacilli. M. marinum were always contained within phagosomes. Close …

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Histamine As An Aid To Biopsy Of Third Eyelid Lymphoid Tissue In Sheep, S. Bender, J. Alverson, L. M. Herrmann, Katherine I. O'Rourke Jan 2004

Histamine As An Aid To Biopsy Of Third Eyelid Lymphoid Tissue In Sheep, S. Bender, J. Alverson, L. M. Herrmann, Katherine I. O'Rourke

Zoonotics and Wildlife Disease: Publications

TRANSMISSIBLE spongiform encephalopathies, of which ovine scrapie is a prototype, are neurodegenerative disorders characterised by the accumulation of an abnormal isoform (PrP-scrapie or PrPSc) of a normal cellular protein (PrPC) (Prusiner 1982). Characteristics of the disease include long incubation periods, and a progressive and chronic clinical course resulting in death (Fraser 1976). PrPsc is detectable during the preclinical stages of scrapie in peripheral lymph nodes (Ikegami and others 1991, Muramatsu and others 1993), in lymphoid follicles of the tonsils (Schreuder and others 1996) and in lymphoid follicles of the nictitating membrane or third eyelid (O'Rourke …

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Genetics And Functions Of Herpes Simplex Virus Type 1 Membrane Proteins In Virus-Induced Cell Fusion, Virion Morphogenesis And Egress, Jeffrey Michael Melancon Jan 2004

Genetics And Functions Of Herpes Simplex Virus Type 1 Membrane Proteins In Virus-Induced Cell Fusion, Virion Morphogenesis And Egress, Jeffrey Michael Melancon

LSU Doctoral Dissertations

The Herpes Simplex Virus life cycle contains a number of membrane fusion events that must function properly to ensure a productive infection, including: virus attachment and entry into susceptible cells, de-envelopment at the outer nuclear lamellae, and virus-induced cell-to-cell fusion. A virus-free cell fusion assay was recently developed in order to attempt to understand the underlying mechanisms that are responsible for viral fusion events and was utilized in order to investigate the effect of mutations targeted to the carboxyl terminus of gB. We showed that the predicted alpha helical domain H17b within the carboxyl-terminus of gB is involved in both …

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Effects Of Different Starter Culture Combinations On Fermented Sausages, Zafer Gönülalan, Ali̇ Arslan, Ali̇ Köse Jan 2004

Effects Of Different Starter Culture Combinations On Fermented Sausages, Zafer Gönülalan, Ali̇ Arslan, Ali̇ Köse

Turkish Journal of Veterinary & Animal Sciences

Commercial starter cultures containing (group A) S. xylosus DD-34 + P. pentosaceus PC-1, (group B) L. plantarum L74 + S. carnosus MIII, (group C) S. carnosus MIII + L. pentosus LP-1, (group D) S. xylosus DD-34 + P. pentosaceus PCFF-1, (group E) P. acidilactici PA-2, (group F) S. carnosus MC-1 + P. pentosaceus PC-1 and (group G) S. xylosus DD-34 + L. alimentarus BJ 33 were used for manufacturing fermented sausage. Sausage samples were examined for pH values, moisture contents, mesophilic aerobic bacteria, coliform bacteria, staphylococcus - micrococcus, lactobacillus, yeast and mould counts and sensorical characteristics on days 0, 1, …

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Determination Of Cardiac Reference Parameters Using M-Mode And 2-D Echocardiographic Techniques In Adult Karabash Dogs, Abdullah Kayar, Abdülkadi̇r Uysal Jan 2004

Determination Of Cardiac Reference Parameters Using M-Mode And 2-D Echocardiographic Techniques In Adult Karabash Dogs, Abdullah Kayar, Abdülkadi̇r Uysal

Turkish Journal of Veterinary & Animal Sciences

This study was carried out to determine the cardiac reference parameters of Karabash dogs, a breed specific to Turkey, using M-mode and 2-D echocardiography techniques. The material of the study comprised 25 male and 25 female Karabash dogs aged between 2 and 6 and weighing between 30 and 51 kg. The M-mode echocardiographic measurements were taken from the longitudinal axis of the 4th and 6th right intercostal space under the guidance of 2-D echocardiography. Echocardiographic parameters such as the interventricular septum, left ventricular internal dimension and left ventricular posterior wall thickness (LVW) increased parallel to body weight (BW) and body …

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The Effects Of A Solar Eclipse On Animals Behavior, Orhan Özbey, M. Hani̇fi̇ Aysöndü, Hati̇ce Özer, Ü. Gülci̇han Şi̇mşek Jan 2004

The Effects Of A Solar Eclipse On Animals Behavior, Orhan Özbey, M. Hani̇fi̇ Aysöndü, Hati̇ce Özer, Ü. Gülci̇han Şi̇mşek

Turkish Journal of Veterinary & Animal Sciences

This study was conducted to determine the effects of the solar eclipse of August 11, 1999, on the behavior of birds (chickens, Pekin ducks, gulls, crows and sparrows), cattle, bees and horses. The animals were observed for 6, from 11 am to 5 pm. Abnormal and extreme behaviors were determined at the observation times. Birds, cattle, bees and horses felt the solar eclipse about 45, 20, 65 and 35 minutes before it occurred, respectively. They showed this via their behaviors. When the total solar eclipse occurred between 2:37 and 2:39 pm, laying hens and broilers crowded together. They were very …

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Effects Of Using Probiotics On The Growth Performance And Health Of Dairy Calves, Mesut Işik, Fi̇gen Eki̇mler, Ni̇hat Özen, Mehmet Zi̇ya Firat Jan 2004

Effects Of Using Probiotics On The Growth Performance And Health Of Dairy Calves, Mesut Işik, Fi̇gen Eki̇mler, Ni̇hat Özen, Mehmet Zi̇ya Firat

Turkish Journal of Veterinary & Animal Sciences

The present study was conducted to investigate the effects of probiotics on the live weight, live weight gain, feed consumption, feed efficiency and health condition of calves. Nineteen Holstein calves, divided into 2 similiar groups in terms of age, sex and live weight, were used in the trial. The first group of calves were given a probiotic at 20 g/day during the first 2 weeks and 40 g/day in the following weeks, via milk during the first 3 months and later on via drinking water. The other group received no probiotic. Both groups were started in the second week on …

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Effect Of Some Reproductive And Metabolic Problems On Fertility Parameters In Dairy Cows, M. Rifat Salmanoğlu, Bülent Polat, Vi̇sal Kayacik, Abdurrahman Özlüer Jan 2004

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 …

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Determination Of Some Quality Parameters Of Fishballs Prepared From Raw And Boiled Fish, Özgür Akkuş, Candan Varlik, Nuray Erkan, Sühendan Mol Jan 2004

Determination Of Some Quality Parameters Of Fishballs Prepared From Raw And Boiled Fish, Özgür Akkuş, Candan Varlik, Nuray Erkan, Sühendan Mol

Turkish Journal of Veterinary & Animal Sciences

The shelf life of fishballs prepared using raw and boiled fish was examined during cold storage (+4 ºC ± 1). Sensory, physical (loss of weight), chemical (TVB-N, TMA-N) and microbiological analyses (aerobic mesophilic bacteria, total psychrophilic bacteria) of fishballs made from raw and boiled anchovies and stored under cold storage conditions were carried out every 3 days. All analyses were carried out with two repetitions. The shelf life of fishballs was 9 days at +4 ºC ± 1 according to the results of the sensory, physical, chemical and microbiological analyses.

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Bacteriological Investigation Of Udder Lobes Of Cows With Mastitis Slaughtered In The Elazığ Region, Hasan Basri̇ Gülcü, Hasan Basri̇ Ertaş Jan 2004

Bacteriological Investigation Of Udder Lobes Of Cows With Mastitis Slaughtered In The Elazığ Region, Hasan Basri̇ Gülcü, Hasan Basri̇ Ertaş

Turkish Journal of Veterinary & Animal Sciences

Bacteriological examinations were performed on 206 mammary tissue samples taken from 160 cows with mastitis in Elazığ. The isolates were identified as Staphylococcus aureus (39.04%), Staphylococcus epidermidis (17.81%), Actinomyces pyogenes (14.38%), Escherichia coli (8.9%), Streptococcus agalactiae (6.16%), Streptococcus uberis (4.11%), Streptococcus dysgalactiae (3.42%), Corynebacterium bovis (1.37%), Pasteurella haemolytica (1.37%) and Bacillus cereus (1.37%).

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Estimates Of Genetic And Environmental (Co)Variances For 305-Day Milk Yield And Calving Intervals In Holstein Fresian Cattle, Zafer Ulutaş, Numan Akman, Ömer Akbulut Jan 2004

Estimates Of Genetic And Environmental (Co)Variances For 305-Day Milk Yield And Calving Intervals In Holstein Fresian Cattle, Zafer Ulutaş, Numan Akman, Ömer Akbulut

Turkish Journal of Veterinary & Animal Sciences

In this study, the data consist of 305-day milk yield, calving intervals and pedigree information regarding Holstein cows raised on the Gelemen state farm and calved between 1982 and 1997. Estimates of genetic parameters and variance components of 305-day milk yield and calving intervals were obtained by restricted maximum likelihood analyses fitting an animal model. Heritabilities of milk yield and calving intervals were 0.16 ± 0.055 and 0.058 ± 0.0436, and the replications of the same traits were 0.35 ± 0.031 and 0.058 ± 0.040, respectively. While the genetic correlation between 305-day milk yield and calving intervals was high (0.69 …

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The Effects Of Urea And Molasses Addition Into Corn Harvested At Early-Milk Stage On Silage Quality And Digestible Dry Matter Yield, Ni̇hat Denek, Suphi̇ Deni̇z Jan 2004

The Effects Of Urea And Molasses Addition Into Corn Harvested At Early-Milk Stage On Silage Quality And Digestible Dry Matter Yield, Ni̇hat Denek, Suphi̇ Deni̇z

Turkish Journal of Veterinary & Animal Sciences

The objective of this study was to evaluate the effects of the addition of 0.5% urea or 0.5% urea plus 4% (w/w) molasses into corn varieties (Rx-947, 33-94, Frassino, and Arifiye) harvested at the early-milk stage on silage quality, in vitro digestibility and digestible dry matter (DM) yield. The addition of urea into silage increased the CP content (P < 0,05). The neutral detergent fiber and acid detergent fiber contents of the control silages were 69.40 and 38.68 for Rx-947, 69.34 and 38.69 for 33-94, 62.67 and 34.93 for Frassino, and 64.35 and 37.04 for Arifiye (P < 0,05). The addition of urea or urea plus molasses into silage increased the silage pH in all varieties, except for Rx-947 (P < 0,05). The lactic, acetic, propionic and butyric acid contents of the silage samples were between 23.2 and 153.3, 7.8 and 23.4, 0.6 and 1.6, and 0.0 and 0.54 g/kg DM, respectively. The addition of urea or urea and molasses into Rx-947 and Frassino varieties and the addition of urea only into the 33-94 variety increased silage lactic acid levels. The addition of urea and molasses into Rx-947, Frassino and Arifiye varieties also increased silage acetic acid levels (P < 0,05). There was a significant difference only between the Frassino and Arifiye varieties on this parameter (P < 0,05). The addition of urea only into silage decreased DM digestibility; the addition of molasses with urea, however, eliminated this negative effect of urea on digestibilit in all varieties, except for Frassino (P < 0,05). Digestible DM yields of untreated silage were 863.68, 1142.43, 1044.43, and 1075.07 kg/decare (10 decares = 1 hectare) for Rx-947, 33-94, Frassino and Arifiye, respectively (P < 0,05). The digestible DM yield of untreated Rx-947 silage was significantly lower than those of the others (P < 0,05). It can be concluded that corn varieties harvested at the early-milk stage (20% DM) can be ensiled, and that urea and molasses can be used as silage additive to increase CP and energy content of silages.

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The Enhancing Effect Of Vitamin A On The Occurrence Of Amyloid Arthropathy In Laying Chickens Infected With Enterococcus Faecalis, Alper Sevi̇mli̇, Deni̇z Misirlioğlu, Cüneyt Özakin Jan 2004

The Enhancing Effect Of Vitamin A On The Occurrence Of Amyloid Arthropathy In Laying Chickens Infected With Enterococcus Faecalis, Alper Sevi̇mli̇, Deni̇z Misirlioğlu, Cüneyt Özakin

Turkish Journal of Veterinary & Animal Sciences

The enhancing effect of vitamin A on the occurrence of amyloid arthropathy in Brown layer chickens is reported. In this study, 36 female and 36 male chickens were used. The chickens were allocated into 3 groups. Group I (Vitamin A group) was fed a diet which contained high levels of Vitamin A (75,000 I.U/kg), whereas group II (positive control) and group III (negative control) were fed a diet containing normal levels of vitamin A. In the fifth week of the experiment Enterococcus faecalis (10^9 cfu/ml) was injected into the left femoro-tibial joint in groups I and II (in order to …

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Biochemical Blood Parameters Of Different Breeds Of Cattle, Necati̇ Utlu, Necati̇ Kaya, Osman Yücel Jan 2004

Biochemical Blood Parameters Of Different Breeds Of Cattle, Necati̇ Utlu, Necati̇ Kaya, Osman Yücel

Turkish Journal of Veterinary & Animal Sciences

In this study 10 male Holstein and 10 male Brown Swiss cattle, a total of 20 animals, were used as research material at 11-12 months of age. They were fed in pasture conditions at the Atatürk University Agricultural College Farm, where the altitude is high (2000 m) and climate conditions are cold. Blood was taken from the jugular vein, and sera were collected. The analysis of glucose (GLU), cholesterol (CHOL), total bilirubin (TBIL), direct bilirubin (DBIL), blood urine nitrojen (BUN), creatinine (CRE), uric acid (UA), total protein (TP), albumin (ALB), globulin (GLB), high density lipoprotein-cholesterol (HDL-C), low density lipoprotein-cholesterol (LDL-C) …

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Karyotype Analyses Of The Tench (Tinca Tinca L., 1758) Living In Lake Mogan (Ankara), Mustafa Hamalosmanoğlu, Mustafa Kuru Jan 2004

Karyotype Analyses Of The Tench (Tinca Tinca L., 1758) Living In Lake Mogan (Ankara), Mustafa Hamalosmanoğlu, Mustafa Kuru

Turkish Journal of Veterinary & Animal Sciences

Chromosome numbers and structures were investigated in (Tinca tinca L., 1758) of the family Cyprinidae. A solution of 1 ml/100 g of 0.1% colchicine was injected intramuscularly. Four hours later the fish were killed and the kidney and gills were removed and cytogenetic methods were applied. Metaphase chromosomes of the cells in these tissues were investigated numerically and morphologically. It was determined that the fish have 2n = 48 diploid chromosomes made up of 6 pairs of metacentric, 8 pairs of subtelocentric and 10 pairs of acrocentric. The average haploid chromosome length was 2.191 µ. The chromosomes were named and …

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Yield Traits Of Geese Of Different Origins Reared In Turkey Ii. Growth Traits, Muammer Ti̇lki̇, Şeref İnal Jan 2004

Yield Traits Of Geese Of Different Origins Reared In Turkey Ii. Growth Traits, Muammer Ti̇lki̇, Şeref İnal

Turkish Journal of Veterinary & Animal Sciences

This study was carried out to determine the growth traits of geese of different origins reared in Turkey. In the experiment, 25 INRA, 15 Armutlu, 15 Tatlıcak and 18 Başkuyu geese were used. The differences between chick weight, and 12^{th} and 25^{th} week live weight of the geese was statistically significant (P < 0.001). Live weight gains were highest at weeks 4 and 5 for the geese. Significant differences were found between the sex groups for week 8, 12, 16, 20 and 25 live weight (P < 0.001).

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Yield Traits Of Geese Of Different Origins Reared In Turkey Iii. Slaughter And Carcass Traits, Muammer Ti̇lki̇, Şeref İnal Jan 2004

Yield Traits Of Geese Of Different Origins Reared In Turkey Iii. Slaughter And Carcass Traits, Muammer Ti̇lki̇, Şeref İnal

Turkish Journal of Veterinary & Animal Sciences

This study was carried out to determine the carcass traits of geese of different origins reared in Turkey. INRA, Armutlu, Başkuyu and Tatlıcak origin geese were used; 6 females and 6 males of each origin were slaughtered at the end of the experiment. Among the origins, the differences were statistically significant for leg weight, head and abdominal fat ratio to the body (P < 0.05), neck weight, feather and gizzard fat ratio to the body (P < 0.01), hot carcass, blood, head, foot, heart, liver, gizzard, cold carcass, wing, breast and back weight, and blood, heart, liver and back ratio to the body were also significant (P < 0.001).

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Reproductive Performance And Synchronization Of The Ovulation And Estrus In Brown Swiss Cows And Heifers Using The Protocol Gnrh- Pgf2 Alpha-Gnrh And Pgf2 Alpha, Faruk Aral, Mehmet Çolak Jan 2004

Reproductive Performance And Synchronization Of The Ovulation And Estrus In Brown Swiss Cows And Heifers Using The Protocol Gnrh- Pgf2 Alpha-Gnrh And Pgf2 Alpha, Faruk Aral, Mehmet Çolak

Turkish Journal of Veterinary & Animal Sciences

The objective was to compare the reproductive performances of Brown Swiss cows and heifers synchronized for estrus and ovulation using prostaglandin F 2 alpha (PGF_{2\alpha}) alone or with gonadotropin-releasing hormone (GnRH). Primiparous and multiparous cows (45 to 75 days postpartum; n = 26) and nulliparous heifers (16 to 20 months; n = 26) were randomly assigned to 2 treatment programs. GnRH injection was followed in 7 days by PGF_{2\alpha} injection and then by another GnRH injection 9 days later. Artificial insemination (AI) was performed 16 h after the second GnRH injection. Injections of PGF_{2\alpha} were given 11 days apart AI …

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The Determination Of Energy Levels In Some Cereal Grains Used In Ruminant Diets By In Vivo And In Vitro Methods, Ni̇hat Denek, Suphi̇ Deni̇z Jan 2004

The Determination Of Energy Levels In Some Cereal Grains Used In Ruminant Diets By In Vivo And In Vitro Methods, Ni̇hat Denek, Suphi̇ Deni̇z

Turkish Journal of Veterinary & Animal Sciences

The aim of this study was to determine the energy levels of some energy source grains commonly used in ruminant nutrition by in vivo and in vitro methods. To achieve this objective, corn, barley, wheat, rye, oat, and triticale (4 replicates) were utilized. The in vivo digestibility of grains was determined with a metabolism trial using 4 animals per sample in an incomplete block design. The in vitro digestibility of grains was determined using an enzyme technique. For this purpose, cellulase, hemicellulase, amylase and pepsin were used. The in vivo dry matter and organic matter digestibilities of corn, barley, wheat, …

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Growth And Milk Yield Traits Of Türkgeldi Sheep, Muhi̇tti̇n Özder, Mustafa Kaymakçi, Turgay Taşkin, Ertan Köycü, Fevzi̇ Karaağaç, Reşi̇t Sönmez Jan 2004

Growth And Milk Yield Traits Of Türkgeldi Sheep, Muhi̇tti̇n Özder, Mustafa Kaymakçi, Turgay Taşkin, Ertan Köycü, Fevzi̇ Karaağaç, Reşi̇t Sönmez

Turkish Journal of Veterinary & Animal Sciences

This study was conducted from data from 3 years of research performed at the Türkgeldi State Farm in 1997-2000. A total of 1053 Türkgeldi Pro-type B_1 Tahirova x Kıvırcık sheep including mature and young individuals were used as the study material. Litter size and fecundity were 1.42 and 1.51, respectively. The averages of birth weights and weaning weights were 3.43 and 20.04 kg, respectively. The average lactation milk yield was 100.62 kg, and the lactation period was 174.90 days. The levels of milk fat, protein, dry matter, ash and casein were 7.36%, 5.28%, 18.72%, 0.98% and 4.37%, respectively.

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Analysis Of Growth Characteristics Using The Richards Model In Female Brown Swiss And Holstein Friesian Cattle, Bahri̇ Bayram, Ömer Akbulut, Mete Yanar, Naci̇ Tüzemen Jan 2004

Analysis Of Growth Characteristics Using The Richards Model In Female Brown Swiss And Holstein Friesian Cattle, Bahri̇ Bayram, Ömer Akbulut, Mete Yanar, Naci̇ Tüzemen

Turkish Journal of Veterinary & Animal Sciences

Growth and development traits of female Brown Swiss and Holstein Friesian cattle born in the Research Farm of the Agricultural College at Atatürk University were estimated by the Richards growth model by using weight-age data obtained between 1987 and 1998. A, B, k and m parameters of the Richards model were 501 ± 6.88 kg, 0.6666 ± 0.0262, 0.0581 ± 0.0019/month and 4.07 ± 0.44 for Brown Swiss, and 496 ± 7.40, 0.8041 ± 0.032, 0.0515 ± 0.0028/month and 2.64 ± 0.67 for Holstein Friesian cattle. Estimated birth weight and periodic weights taken between birth and 3 years of age …

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Genetic Parameter Estimations For Persistence Of Milk Yield With Different Function Definition In Dairy Cattle, Serhat Arslan, Hami̇t Mi̇rtaghi̇zadeh, Tahsi̇n Kesi̇ci̇ Jan 2004

Genetic Parameter Estimations For Persistence Of Milk Yield With Different Function Definition In Dairy Cattle, Serhat Arslan, Hami̇t Mi̇rtaghi̇zadeh, Tahsi̇n Kesi̇ci̇

Turkish Journal of Veterinary & Animal Sciences

A data set containing 2-year test day milk yield records was used. Random regression model solutions established with a covariance function (CF) approach was used. Persistence and lactation curve explanation performances of polynomial, Wilmink and Ali-Schaeffer curve definitions were compared for CF. When comparisons were made for R2 values, polynomial (0.9835) definition headed the list, followed by the Ali-Schaeffer curve (0.9534), and Wilmink curve (0.6023) definitions. Among the persistence predictions in respect of lactation orders, the Ali-Schaeffer curve provided predictions with the minimum variance, followed by the Wilmink and polynomial curve approaches. All of the curve definitions were in accord …

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