Oguzhan Kahraman

Oguzhan Kahraman
Selcuk University · Department of Animal Nutrition and Nutritional Disorders

Doctor of Veterinary Medicine

About

27
Publications
2,762
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21
Citations

Publications

Publications (27)
Chapter
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Melatonin is a molecule that plays an active role in reducing many stress factors in plants and has important functions in the growth, development and reproduction of plants. It has many physiological functions that directly affect feed consumption, feed efficiency, energy metabolism and immune system in animal organisms. In addition, its anti-infl...
Presentation
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Dates are popular among the population of the Middle Eastern countries and they are considered as one of the most important food for humans in these countries. Egypt, Saudi Arabia, Iran, Algeria and Pakistan produce most of the dates in the world. Large amount of poor quality dates are discarded and used in animal nutrition every year. Animal feedi...
Article
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The objective of this report was to classify ingredients based on their flowability. Twenty-six different feed ingredients (52 samples) were used including cereal grains, cereal by-products, oilseeds, oilseed meals, and animal-origin products. As an indication of flowability, the angle of repose was determined using a funnel test. In general, high...
Article
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In this study, effects of different levels of feeding on digestibility, body weight(BW), body condition score(BCS) and some stool parameters were investigated. Fifteen adult Golden Retriever dogs were divided into 3 groups. ME content of food and ME requirements of the dogs were determined by the modified Atwater factors and the FEDIAF equation(95*...
Article
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This study aimed to compare nutrient digestibility, preference rate, eff ects on stool and cost of grain-inclusive and grain-free dry dog foods. Two dry dog foods with and without grain formulated with poultry meal, barley, rice, corn, peas, carrot, potato flour, whey, fat, vitamin and mineral sources were manufactured. Twelve adult Golden Retrieve...
Poster
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Buffalo was first introduced in 3000 B.C in Turkey (Thrace Region), but its future propagation was highly neglected. Between 1980 and 2010 buffalo population undergoes a peak decline phase, even leading to extinction in some areas of Turkey. Later on, the government emphasizes this sector to form a particular working group to uplift buffalo product...
Article
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The objective of this study was to investigate the applicability of whey, whey powder, and homofermentative bacterial inoculant (L. Plantarum, P. acidilactici, P. Acidipropionici) as additives in corn, alfalfa, and lolium silages. It was also aimed to determine the effects of these additives on the nutrient contents, some quality parameters, and in...
Conference Paper
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In this study, the effects of feeding at different metabolic energy (ME) levels on digestibility, body weight (BW), body condition score (BCS) and stool quality in dogs were investigated. 15 Golden retriever dogs aged 3-4 years were used in the experiment. The dogs were divided into 3 groups consisting of 5 dogs with balanced BW averages and equal...
Conference Paper
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Aim The in vitro gas production system (IVGS) is a widely used method for measuring gas production, fermentation kinetics, in vitro digestibility, energy levels, anti-nutritional factor effects and methane emissions of feedstuffs. The main problem is that the rumen fluid used in the practice of this system shows great variation depending on the day...
Article
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Objective:This study was aimed to investigate the effects of balanced powdered food prepared at different cooking times on preference rate, digestibility and stool quality in dogs. Methods:Sixteen adult Golden Retriever dogs (3-4 years old) were used. Food mixed with water and cooked daily. The first group (n=5) was given food cooked for 15min, the...
Article
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This study was aimed to evaluate and compare the nutrient digestibility of grain-inclusive and grain-free commercial dry dog foods using the method of total fecal collection and also explore their effects on fecal consistency. 21 different foods, including 14 grain-inclusive (7 grain-chicken meat, 7 grain-lamb meat) and 7 grain-free were investigat...
Conference Paper
Full-text available
The aim of this study was to determine the effects of two different natural herbal mixtures on antioxidant and palatability of dog food. Yumesa (black cumin, fennel, thyme, allspice, ginger, cumin, salt) and MUSSK (sumac, garlic, black pepper) mixtures were used as antioxidants. These products were added to the food at a rate of 0.5%. Samples taken...
Article
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Aim: This study was made to determine the quality classification of alfaalfa hays produced in Turkey according to their protein and fiber levels and use in national feed tables. . Materials and Methods: The nutrient analysis results of 210 alfalfa hays were used. Results: The crude protein (CP) levels in the dry matter (DM) ranged from 8,79 to 22,9...
Poster
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Insect meal usage as an alternative protein source in place of conventional protein sources in poultry feed is the topic of interest. To fulfill the increasing demand for insect meal in poultry feed, large scale production and propagation of insects are major concern nowadays. Insects are propagated, collected and processed to get the final product...
Article
Full-text available
In this study, nutritional values of silages made from seed pumpkin residues were investigated. Pumpkin residues collected from Konya region were put into silo in vacuum sacks with various additives. As additives, straw, inoculant containing lactic acid bacteria or a mixture of both in certain proportions were used. After the silos were opened, the...
Article
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The study was carried out to see the effects of carcass traits on slow growing broilers in free range system. In the experiment, 480 slow-growing male Hubbard Isa Red-J broiler chicks with 28th days age were divided into 4 main groups and 4 subgroups in each main group. In the experiment, feed was given ad libitum to the control group (group 1). 2t...
Article
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Aim: It is to determine the effects of soaking, cooking in water, extrusion applied to the cereals used in dog foods on the gelatinization and digestibility of starch. Materials and Methods: Barley, wheat, corn, rice, sorghum and oat were used. Milled grains were soaked with boiling water, cooked with water for 10 min and 20 min, and extruded. The...
Article
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This study was conducted to determine the effect of different vegetative periods on protein fractions of alfalfa hay and to compare two different methods for estimation of its protein degradability. In this study, 44 alfalfa hay samples cut in late vegetative, late bud, early bloom and late bloom were used. Crude protein decreased with advancing ma...
Article
This study was carried out to determine the effects of pellet and extruded foods on gelatinization, digestibility and faecal quality of dogs. In study 30 adult male dogs of mixed breed, weighing 15-30 kg, neutered and around 1-3 of age were used. The two tested dog-food formulations had the same composition, but one was produced in pellet form, whi...
Article
In this study, 30 mixed-breed, neutered, young adult male dogs at 15-30 kg live weights were used. The foods were produced at a special facility. Dog food produced using 25% barley had a gelatinized starch content significantly greater than that of food produced using 25% rice: 18.36% vs. 17.45%, respectively. No considerable difference was observe...
Article
Full-text available
In this study, our aim was to compare estimated metabolizable energy (ME) and net energy lactation (NEL) contents in dried alfalfa samples in their different growth stages, using models such as NRC-2001, Hohenheim(Menke) and University of California at Davis (UC Davis). A total of 73 alfalfa hay samples obtained during three different growth stages...
Data
In this study, our aim was to compare estimated metabolizable energy (ME) and net energy lactation (NEL) contents in dried alfalfa samples in their different growth stages, using models such as NRC-2001, HohenheimMenke and University of California at Davis (UC Davis). A total of 73 alfalfa hay samples obtained during three different growth stages (...

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Projects (2)
Project
In this project, it was aimed to investigate the effects of adding condensed tannin to postpartum dairy cow rations on milk yield and composition, blood and rumen parameters and digestibility. Condensed tannins (KT) are unbranched polymers of flavonoid units that are resistant to degradation by hydrolysis and generally have a higher molecular weight than hydrolyzable tannins. Depending on the type of grain consumed, its chemical structure, molecular weight, amount of consumption and animal species, its effects can be beneficial or harmful. In the study, 24 dairy cows will be used. Animals will be included in the control and experimental groups, respectively, on the 5th postpartum day. Animals fed with a tannin-free mixture will form the control group, and animals fed with the addition of 60 and 120 g of tannins to the roughage concentrate will form the experimental groups. Milk yield and composition, blood and rumen parameters of animals will be determined at certain time intervals. At the end of the experiment, feces will be collected and their nutrient digestibility will be determined.
Project
Production of healthy and natural dog food