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Articles 10081 - 10110 of 10915
Full-Text Articles in Life Sciences
A Biological Research On The Single Cell Protein Yeast (Paprin) Grown On Liquid Paraffin Medium, Sahibe Çalişkaner, Yusuf Konca, Necmettin Ceylan, Muzaffer Çördük, Ramazan Demi̇rel, Koray Ceyhan, Mustafa Mamak
A Biological Research On The Single Cell Protein Yeast (Paprin) Grown On Liquid Paraffin Medium, Sahibe Çalişkaner, Yusuf Konca, Necmettin Ceylan, Muzaffer Çördük, Ramazan Demi̇rel, Koray Ceyhan, Mustafa Mamak
Turkish Journal of Agriculture and Forestry
The aim of this research is to find out the effects of yeast-ie one of the single cell protein, grown on liquid paraffin media (paprin) to be replaced instead of fish meal for protein quality and quantity. The experiment was designed according to Randomized Plots Design and applied on 3 generations using 72 Swiss Albino Laboratory Mice (12 male and 60 females) consisting 4 main groups with 3 replicates and 6 mice in each replicates. The experimental period of the first generation was 281 days, the second 218 days and the third 99 days. Dietary treatments were 0.0, 2.5, 5.0 …
Effect Of Phosphorus Fertilizers And Application Methods On The Yield Of Wheat Grown Under Dryland Conditions, Sabri̇ Gökmen, Özer Sencar
Effect Of Phosphorus Fertilizers And Application Methods On The Yield Of Wheat Grown Under Dryland Conditions, Sabri̇ Gökmen, Özer Sencar
Turkish Journal of Agriculture and Forestry
This study was conducted to investigate the efficiency of diammonium phosphate (DAP) and triple superphosphate (TSP) as phosphorus (P) sources and the effect of fertilizer application methods on the grain yield, yield components and other characteristics of winter wheat. The research was conducted in the ecological conditions of Tokat-Kazova during the 1990-1991 and 1991-1992 growing seasons. Bezostaja-I and Kirkpinar-79 cultivars were used as the plant materials. DAP and TSP fertilizers were applied according to four different methods, i. e., broadcasting, with seed, application 5 cm to the right and left of the seed and 5 cm below the seed. The …
Effects Of Dietary Supplementation With Organic Acids And Zinc Bacitracinon Ileal Microflora, Ph And Performance In Broilers, Müjdat Alp, Neşe Kocabağli, Recep Kahraman, Kami̇l Bostan
Effects Of Dietary Supplementation With Organic Acids And Zinc Bacitracinon Ileal Microflora, Ph And Performance In Broilers, Müjdat Alp, Neşe Kocabağli, Recep Kahraman, Kami̇l Bostan
Turkish Journal of Veterinary & Animal Sciences
An experiment was conducted to determine the effects of an organic acid combination (Acid Lac Dry: lactic, fumaric, propionic, citric and formic acid) and/or zinc bacitracin on the body weight gain, feed efficiency, microflora and pH in the ileum content of broiler-type chicks. Ross PM3 broiler chicks were placed in an experimental design that consisted of four dietary treatments with 48 broilers in each group. One-day-old chicks were fed either a control diet or a similar diet supplemented with 3 g/kg Acid Lac Dry, 0.1 g/kg zinc bacitracin or both additives in combination during a 42-d feeding trial. Acid Lac …
Structural Relations Between Cotton Production And The Textile Industry In The Southeastern Anatolia Project (Gap) Region, Haydar Şengül, Onur Erkan
Structural Relations Between Cotton Production And The Textile Industry In The Southeastern Anatolia Project (Gap) Region, Haydar Şengül, Onur Erkan
Turkish Journal of Agriculture and Forestry
The structure and structural interdependency of the cotton and textile industries were analyzed using an input-output model in the Southeastern Anatolia Project (GAP) Region. GAP is the most comprehensive integrated regional development project ever carried out in Turkey. Data were obtained from surveys of 72 cotton farms and 103 textile companies. In the GAP Region, gross value added as a percentage of gross output was found to be 85 % for the cotton, 38 % for the ready-made, 35% for the spinning 34 % for the weaving and 25 % for the ginning sectors. As an indicator of labour productivity, …
Development And Fecundity Of Aphis Gossypii Glover (Homoptera: Aphididae) On Three Malvaceae Hosts, Serdar Satar, Ulrich Kersting, Nedi̇m Uygun
Development And Fecundity Of Aphis Gossypii Glover (Homoptera: Aphididae) On Three Malvaceae Hosts, Serdar Satar, Ulrich Kersting, Nedi̇m Uygun
Turkish Journal of Agriculture and Forestry
Aphis gossypii Glover (Homoptera, Aphididae) obtained from cotton fields near Adana in the east Mediterranean region of Turkey were colonized on Gossypium hirsutumL. Çukurova 1518 in a climatic room. The effect of host transfer from cotton to common mallow, Malva sylvestris L., and okra, Abelmoschus esculentus (L.) Moench 'Bamya 501', on performance of A. gossypii was studied at constant 25 ± 1°C, 60 ± 5 % relative humidity and 16 h of artificial light (5000 lux) in temperature cabinets. Three subsequent generations of A. gossypii from cotton were additionally tested on okra. Fecundity tables were constructed to compare the performance …
The Effect Of The Duration Of Alkali Treatment On The Solubility Of Polyoses, Mualla Balaban, Güneş Uçar
The Effect Of The Duration Of Alkali Treatment On The Solubility Of Polyoses, Mualla Balaban, Güneş Uçar
Turkish Journal of Agriculture and Forestry
Holocelluloses from the wood of pine and oak species growing naturally in Turkey were extracted with 5% KOH solution under specified conditions, and soluble polyoses and lignin were examined. The extractions of both pine and oak wood holocelluloses followed the mechanism of second order reaction. While the glucomannan of pine was poorly dissolvable during the extraction, xylan, the main polyose of hardwoods, was removed very efficiently upto almost 90 %. The solubility of xylane also obeyed the some kinehes. By the equation [ A ] 1- n - [ A 0 ] 1-n = ( n-1) kt, where n=2, for …
Effects Of Coating With Melamine Impregnated Papers On Technical Properties Of Particleboard, Gökay Nemli̇, Hülya Kalaycioğlu
Effects Of Coating With Melamine Impregnated Papers On Technical Properties Of Particleboard, Gökay Nemli̇, Hülya Kalaycioğlu
Turkish Journal of Agriculture and Forestry
Boards of 18 mm and 12 mm thickness with a specific gravity of 0.70 g/cm^3 were used in this study. Some of these boards were coated with melamine-impregnated papers. The bending strength, modülus of elasticity, bonding strength, screw holding and formaldehyde emission of boards stored for, in turn, one day, one week, one month and three months were recorded during the experiments. It was concluded that coating with melamine impregnated papers improved the mechanical properties of particleboards and that formaldehyde emission was remarkably reduced. Board thickness was found to have an effect on all mechanical properties of particleboard except for …
The Effects Of Grafting Times And Types On The Quality Of Grafted Vine Production Under The Nursery Conditions, Hüseyi̇n Çeli̇k, Ferhat Odabaş
The Effects Of Grafting Times And Types On The Quality Of Grafted Vine Production Under The Nursery Conditions, Hüseyi̇n Çeli̇k, Ferhat Odabaş
Turkish Journal of Agriculture and Forestry
In this study, carried out during 1992-1994, Aphonse Lavallee, Cardinal, Çavuş and Hafızali grape CVs were grafted on the Vitis berlandieri x Vitis riparia Kober 5BB and S04 rootstocks by omega and chip-budding grafting types under nursery conditions. The rootstock cuttings were planted into nursery plots in spring time and they were grafted on the August, 15; September, 15; October, 15 and November, 15; after the cuttings were fully rooted and had well-developed shoots. The shoot length and growth rate, number of roots and fresh root weight per vinegraft determined to the aim of establishing the effects of grafting time …
Use Of Peak Discharges In Flood Frequency Analyses, Fati̇h Topaloğlu, Ali̇ Yücel, Kazim Tülücü, Mahmut Çeti̇n
Use Of Peak Discharges In Flood Frequency Analyses, Fati̇h Topaloğlu, Ali̇ Yücel, Kazim Tülücü, Mahmut Çeti̇n
Turkish Journal of Agriculture and Forestry
Hydrological data such as daily, monthly, and yearly peak discharge rates, ... etc., are being used in flood frequency analyses. Because the phenomena have inherent random character, the value to be observed in the future can only be determined by probabilistical and statistical laws. This kind of data should show independent, homogeneous and random behavior so that it can be used in the simulation and frequency analyses. In this study, initial stage studies needed to be done and some simple basic statistical analysis techniques have been examined so that observed discharge data in an example river basin could be used …
Determination Of Some Cytological Characters Of Wild Orchardgrass (Dactylis Glomerata L.) Growing In Erzurum District, Meti̇n Tosun, İlknur Akgün, Sevi̇m Sağsöz
Determination Of Some Cytological Characters Of Wild Orchardgrass (Dactylis Glomerata L.) Growing In Erzurum District, Meti̇n Tosun, İlknur Akgün, Sevi̇m Sağsöz
Turkish Journal of Agriculture and Forestry
In this study, some cytological characters of orchardgrass were examined naturally growing in Erzurum. Plants assessed for their chromosome number were tetraploid (2n=28). In metaphase I stage the most prevalent pairing was bivalents (avg. 8.37). This was followed by quadrivalent (avg. 2.81), univalent (avg. 0.04) and trivalent (avg. 0.015) pairings. All combinations of bivalents and quadrivalents were recorded. In most of anaphase l cells examined chromosomes distribution to poles were even (14: l4), however some cells had laggings and bridges. In addition, 95. 17% of observed tetrads had no micronucleus.
A Study On Rearing Of Rainbow Trout (Oncorhynchus Mykiss) In The Net Cages In Almus Dam Lake, Mehmet Karataş, A. İhsan Toğlaci
A Study On Rearing Of Rainbow Trout (Oncorhynchus Mykiss) In The Net Cages In Almus Dam Lake, Mehmet Karataş, A. İhsan Toğlaci
Turkish Journal of Veterinary & Animal Sciences
The aim of this study was to determine the growth parameters of Rainbow trout (Oncorhynhcus mykiss) in net cages in Almus Dam Lake. The experiment continued for a period of 105 days between May 1 and August 15 1996. During the experiment 6480 rainbow trout with an average weight of 50 g were used. Experimental groups of 50 g mean initial body weight reached 279 g mean final weight by the end of the experiment.
The Effect Of Interesterification Reactions On The Tocopherols And The Sterols In Fats, Azi̇z Teki̇n, Muammer Kayahan
The Effect Of Interesterification Reactions On The Tocopherols And The Sterols In Fats, Azi̇z Teki̇n, Muammer Kayahan
Turkish Journal of Agriculture and Forestry
In this study, interesterification which has been used in developed countries for years and tried in Turkey recently, was applied to a sunflower oil and beef tallow blend (80:20). 25 sample fats were obtained by applying interestification at different temperatures and times by adding 0.3% sodium methoxide. The changes in the tocopherols and sterols of these fats were investigated. It was determined that the reaction was completed at 70°C in 45 minites and at higher temperatures and longer times using lipase hydrolysis. In conclusion tocopherols and sterols were esterified more quickly as time and temperature increased. Therefore, they were more …
A Study Of The Propagation Of The Hardwood Cuttings Of Some Rose Hips, Sezai̇ Erci̇şli̇, Muharrem Güleryüz
A Study Of The Propagation Of The Hardwood Cuttings Of Some Rose Hips, Sezai̇ Erci̇şli̇, Muharrem Güleryüz
Turkish Journal of Agriculture and Forestry
In this study, the rooting abilities of hardwood cuttings from ten rose-hip types collected in Gümüşhane in 1994-1995 were evaluated. The cuttings, taken in November, December and January, were planted in a perlit medium under a mist unit. In order to stimulate rooting, IBA doses of 1000, 2000, and 4000 ppm were used. The results showed that type 29-To-16 of Rosa canina had the highest rooting rate (86.25%), while type 29-Ke-27 of Rosa foetida had the lowest (3.33%). According to the average values of all the types, the best dose of IBA was 2000 ppm, and the best rooting time …
The Effect Of Water Content On The Penetration Resistance Of Different Soils, And Regression Models, Cevdet Şeker
The Effect Of Water Content On The Penetration Resistance Of Different Soils, And Regression Models, Cevdet Şeker
Turkish Journal of Agriculture and Forestry
The purposes of this study were to determine the relationships between soil water content and soil penetration resistance, and to develop regression models for comparing penetration resistance in different soils. A field study was conducted on four different soils in Entisol on the Konya plain. Significant relationships were found between soil water content and soil penetration resistance (r^2= 0.77 to 0.99). The results of regression analysis showed that the regression equation was Y=a+bX^3, in which Y was penetration resistance (kPa) and X was soil water content (%), a and b were constants changing with soil and different layers of the …
The Effect Of Cutting On The Yield And Yield Components Of Bread Wheat (Triticum Aestivum L.) Cultivars, A. Esen Çelen, Hi̇kmet Soya
The Effect Of Cutting On The Yield And Yield Components Of Bread Wheat (Triticum Aestivum L.) Cultivars, A. Esen Çelen, Hi̇kmet Soya
Turkish Journal of Agriculture and Forestry
In the research conducted in the fields of Field Crops Department of Faculty of Agriculture of Ege University, Bornova, İzmir, Turkey in 1993-94 and 1994-95, the effects of cutting treatments [a. uncut control, b. cutting at Zadoks stage 25 (main stem and 5 tillers), c. cutting at Zadoks stage 30 (at the end of tillering, pseudostem erection), and d. cutting at Zadoks stage 31 (first node detectable) ] on the seed yield and some yield components of two bread wheat cultivars (Cumhuriyet-75 and Menemen-88) were investigated. There weren't significant differences on the spike numbers per square meter, seed numbers per …
Karyotype Analysis In Hexaploid Triticale, Meti̇n Tosun
Karyotype Analysis In Hexaploid Triticale, Meti̇n Tosun
Turkish Journal of Agriculture and Forestry
In this study, morphology of chromosomes was determined via karyotype and idiogram analysis in Nutria 7272 line of hexaploid (2n=42) triticale obtained from CIMMYT. On the bases of the presence or absence of satellites and the arm ratio, the chromosome complement was divided into four groups; satellited, median, submedian and subterminal chromosomes. Of the 42 chromosomes present in Nutria 7272 karyotype, 4 were satellited, 14 median, 18 submedian and 6 subterminal. The chromosome length and the arm ratio were 4.844 \mu (M_7) - 8.066 \mu (SM_1) and 1.091 (M_7) - 2.125 (SM_1), respectively. The satellite length of SAT_1 and SAT_2 …
Effects Of Surface Coating Materials On The Physical And Mechanical Properties Of Particleboard Used For Kitchen Cabinets And Surface Quality Properties: Part 1. Effects Of Physical Properties, Turgay Özdemi̇r, Hülya Kalaycioğlu, Abdulkadi̇r Malkoçoğlu, Gökay Nemli̇
Effects Of Surface Coating Materials On The Physical And Mechanical Properties Of Particleboard Used For Kitchen Cabinets And Surface Quality Properties: Part 1. Effects Of Physical Properties, Turgay Özdemi̇r, Hülya Kalaycioğlu, Abdulkadi̇r Malkoçoğlu, Gökay Nemli̇
Turkish Journal of Agriculture and Forestry
In this study, the effects of surface coating materials on the physical and mechanical properties of particleboard used for kitchen cabinets and surface quality properties were investigated. But, in this part, effects of these on the physical properties on particleboard were investigated. 18 mm thickness particleboard were obtained from four different sources belong to private sector for producing test samples. Coated and varnished veneer , lacquer coating, continious pressure laminate, high pressure laminate and polivinylchloride coating were applied on these samples. The following were recorded during the experiments: Spesific gravity, water absorbtion and thickness swelling. As a result of this …
The Determination Of Fitness Of Various Isotherm Equations To Moisture Sorption Data Of Kırık, Lancer Barley, Rye, Oat And Corn, Fati̇h Ertugay, Muharrem Certel
The Determination Of Fitness Of Various Isotherm Equations To Moisture Sorption Data Of Kırık, Lancer Barley, Rye, Oat And Corn, Fati̇h Ertugay, Muharrem Certel
Turkish Journal of Agriculture and Forestry
In this research, the fitness of Halsey, Henderson, Harkins-Jura, BET, Smith and Freundlich isotherm equations to moisture sorption data at 20, 25, 35, 50 and 70°C of Kırık, Lancer, barley, rye, oat and corn were investigated. Isotherm equations, fitted quite well to obtained sorption data, were determined and parameter constants of the equations were calculated by regression using the lineer form of the isotherm equation. The best fitness was seen in Henderson equation as low fitness was seen for BET equation.
The Effects Of Sowing Date And Row Spacing On Yield And Quality Of Some Sugarbeet (Beta Vulgaris L.) Varieties In Hatay Ecological Conditions, Mehmet Emi̇n Çalişkan, Necmi̇ İşler, Erol Günel, Mutlu Buket Güler
The Effects Of Sowing Date And Row Spacing On Yield And Quality Of Some Sugarbeet (Beta Vulgaris L.) Varieties In Hatay Ecological Conditions, Mehmet Emi̇n Çalişkan, Necmi̇ İşler, Erol Günel, Mutlu Buket Güler
Turkish Journal of Agriculture and Forestry
The effects of different sowing dates (1st February and 1st March) and row spacings (30, 45 and 60 cm) on yield and quality characteristics of four sugarbeet cvs. (Evita, Sonja, Fiona and Anadolumono) were studied in Hatay ecological conditions in 1996 and 1997. Delayed sowings affected negatively all the yield and quality characteristics, and due to one month delaying of sowing root and sucrose yield decreased 8.06 % and 8.64% in 1996, and 37.7% and 40.4% in 1997, respectively. The highest root and sucrose yields obtained from 45 cm row spacing in 1996 (47.77 and 8.14 t/ha, resp.) and from …
A Study On The Relationship Of Yield With Stability In Lentil, Meti̇n Altinbaş, Bahatti̇n Tanyolaç
A Study On The Relationship Of Yield With Stability In Lentil, Meti̇n Altinbaş, Bahatti̇n Tanyolaç
Turkish Journal of Agriculture and Forestry
Two lentil ( Lens culinaris medic. ) populations, one of them were of large-seeded genotypes and other one were small-seeded genotypes, were tested at one location in 1990 and at two locations in the years of 1991 and 1992 and some stability statistics were estimated for grain yield. The relationship between yield and stability were studied in both populations using the simple correlations among mean yields and six stability parameters. The significant correlations between mean yield and stability statistics (b, r^2, s^2_d, W^2, \sigma^2) except S^2 occurred in large-seeded genotypes, while all stability parameters were not significantly correlated with mean …
Autocatalyzed Ethanol-Water Pulping Of Wheat (Triticum Aestivum L.) Straw, Hüseyi̇n Kirci, Mehmet Akgül
Autocatalyzed Ethanol-Water Pulping Of Wheat (Triticum Aestivum L.) Straw, Hüseyi̇n Kirci, Mehmet Akgül
Turkish Journal of Agriculture and Forestry
This study aimed possibility of organosolv pulp production by adding to the pulping liquor without any inorganic catalyzes from the wheat straw which is known as an important raw-material for pulp production in Turkey. To obtain optimum pulping conditions ethanol ratio to pulping liquor, temperature and cooking time at maximum temperature were changed systematically and 18 pulping trial were made. The results showed that the pulping temperature at 170ºC was critical for delignification and fiber liberation. Under the limit of 170ºC sufficient delignification and chemical defibration were not observed. However, fast fiber liberation occured by applying 180-190ºC pulping temperatures. Increasing …
Arsenic Residues In Grey Mullets Caught In Lake Van, Ali̇ Bi̇lgi̇li̇, Ender Yarsan, İdri̇s Türel
Arsenic Residues In Grey Mullets Caught In Lake Van, Ali̇ Bi̇lgi̇li̇, Ender Yarsan, İdri̇s Türel
Turkish Journal of Veterinary & Animal Sciences
In this study, pollution caused by arsenic residues in grey mullets (Chalcarburnus tarichii, Pallas 1811) living in Van Lake were investigated. A Total 120 samples, from the four seasons from 01.01.1994 to 01.01.1995 were collected. The organic parts of the muscles were washed with a mixture of magnesium oxide and magnesium nitrate according to the dry ash method and arsenic residues were measured by silver diethyl dithyocarbamate in a spectrophotometer. By analyzing the 120 fish samples, arsenic residues were calculated to be 0.009 - 0.347 ppm (average 0.051±0.046). In light of these results as the arsenic residues in grey mullets …
Detection Of Listeria Species In Minced Beef, Ufuk Tansel Şi̇reli̇, İrfan Erol
Detection Of Listeria Species In Minced Beef, Ufuk Tansel Şi̇reli̇, İrfan Erol
Turkish Journal of Veterinary & Animal Sciences
In recent years there has been an increase in the number of outbreaks of human listeriosis and contaminated foods have been considered to be a potential source of infection. In this study, a total of 100 minced beef samples were obtained from different butchers and supermarkets in Ankara and examined for the presence and degree of contamination with Listeria species. The minced beef samples were collected in aseptic conditions and transported to the laboratory in cold storage. The method suggested by USDA - FSIS was used for the isolation and identification of Listeria spp. In addition, the degree of contamination …
Determination Of Cyanide Levels In Sorghum Halepense At Different Vegetation Stages In The Aydın Area, Mustafa Sari, Ferda Akar, Fatma Karataş
Determination Of Cyanide Levels In Sorghum Halepense At Different Vegetation Stages In The Aydın Area, Mustafa Sari, Ferda Akar, Fatma Karataş
Turkish Journal of Veterinary & Animal Sciences
In this study, HCN levels in 150 Sorghum halepense samples obtained from the province of Aydın during 3 different vegetation periods were determined. The analysis was carried out using spectrophotometry. According to the results of the analysis, average HCN levels during the tiller, flowering, and postflowering stages in Sorghum halepense leaves, were 460.8, 144.8, and 44.22 ppm respectively. It was concluded that HCN levels in Sorghum halepense growing in the province of Aydın would be toxic for herbivores during the tillers and flowering stages.
Characterization Of Monoclonal Antibodies Againstfoot And Mouth Disease Virus And Determination Of Antigenicvariations In Field Strains, S. İsmet Gürhan, Burhan Gürhan, Gülhan Aynagöz, Ni̇lay Ünal, Gülnur Ünver
Characterization Of Monoclonal Antibodies Againstfoot And Mouth Disease Virus And Determination Of Antigenicvariations In Field Strains, S. İsmet Gürhan, Burhan Gürhan, Gülhan Aynagöz, Ni̇lay Ünal, Gülnur Ünver
Turkish Journal of Veterinary & Animal Sciences
The aim of this project was characterization of monoclonal antibodies (MAbs) against O 1 Man. 69, a vaccine strain of the Ankara Foot and Mouth Disease (FMD) Institute and detection of the antigenic variation in field virus strains. For that purpose,17 MAbs were used. Activities of MAbs against 146S, enzyme treated 146S (146S-T) and 12S antigenic particles of O 1 Man. 69 virus strain were estimated by indirect ELISA. Reaction to viral capsid proteins was detected by Western immunoblotting and detection of the neutralization specificity was done by both in vitro and in vivo neutralization tests and mouse protection assay. …
Factors Affecting Milk Composition And Changes In Milkcomposition With Lactation Stage In Anatolian Buffaloes, Özel Şekerden, Hüseyi̇n Erdem, Bülent Kankurdan, Bülent Özlü
Factors Affecting Milk Composition And Changes In Milkcomposition With Lactation Stage In Anatolian Buffaloes, Özel Şekerden, Hüseyi̇n Erdem, Bülent Kankurdan, Bülent Özlü
Turkish Journal of Veterinary & Animal Sciences
The research was performed to investigate factors affecting milk composition and chaning of milk components with lactation stage in Anatolian buffaloes. The material of the research was formed by 109 milk samples belonging to 28 cows rasied at 12 units of 3 seperate village of Çarsamba District of Samsun Province. Milk samples were taken at AM milkings in one month intervals. Lactation stages' effect was found significant level statistically (P
The Effects Of Different Fat Sources On Performance And Fat Deposition Of Broilers, Fi̇gen Kirkpinar, A. Mehmet Taluğ, Ramazan Erkek, Fevzi̇ Sevgi̇can
The Effects Of Different Fat Sources On Performance And Fat Deposition Of Broilers, Fi̇gen Kirkpinar, A. Mehmet Taluğ, Ramazan Erkek, Fevzi̇ Sevgi̇can
Turkish Journal of Veterinary & Animal Sciences
Sunflower oil, cotton seed oil, soybean oil, sunflower oil soapstock, and tallow singly or in combination (1:1) with tallow were added to starter and finisher diets fed to 414 broiler chickens. Nine different isonitrogenic and isocaloric diets were prepared. Body weight differences were significant (P
Letter To The Editor, Nursal Meti̇n
Letter To The Editor, Nursal Meti̇n
Turkish Journal of Veterinary & Animal Sciences
No abstract provided.
Biodegradation Of Polycyclic Aromatic Hydrocarbons, İsmai̇l Demi̇r, Zi̇hni̇ Demi̇rbağ
Biodegradation Of Polycyclic Aromatic Hydrocarbons, İsmai̇l Demi̇r, Zi̇hni̇ Demi̇rbağ
Turkish Journal of Biology
Polycylic aromatic hydrocarbons (PAHs), such as petroleum and petroleum derivatives, are widespread organic pollutants entering the environment, chiefly, through oil spills and incomplete combustion of fossil fuels. Since most PAHs are persist in the environment for a long period of time and bioaccumulate, they cause environmental pollution and effect biological equilibrium dramatically. Biodegradation of some PAHs by microorganisms has been biochemically and genetically investigated. Gene locations for some of these pathways are frequently found in exrachromosomal elements. Determination, isolation and characterization of microorganisms which participate in the bidegradation of PAHs have great significance in the decontamination of the environment in …
Effect Of Dietary Fatty Acids And Starvation On The Fatty Acidcomposition In The Muscle Tissue Of Cyprinion Macrostomusheckel, 1843, M. Ali̇ Akpinar
Effect Of Dietary Fatty Acids And Starvation On The Fatty Acidcomposition In The Muscle Tissue Of Cyprinion Macrostomusheckel, 1843, M. Ali̇ Akpinar
Turkish Journal of Biology
Variations in the fatty acids compositions of muscle tissue, due to starving and feeding Cyprinion macrostomus (Heckel, 1843) at 35 and 24°C which naturally lives at 35±0.5°C in the Kan-gal Thermal Spring (Sivas) were investigated. No qualitative variation took place in the fatty acid composition of the fish which were fed and star-ved at 35°C. As far as the fish which were fed and starved at 24°C were concerned, it has determi-ned that docosapentaenoic acid (C22:5) and docosahexaenoic acid (C22:6), which are not found in fo-od could be synthesized and linoleic acid (C18:2) percentage was drastically decreased. According to the …