Tugay Ayasan

• Prof. Dr.
• Professor at Osmaniye Korkut Ata University Kadirli Faculty of Applied Sciences

This study was conducted to examine the thoughts and perspectives of Osmaniye Korkut Ata University Kadirli Applied Sciences Faculty students about distance education and to reveal the request and suggestions of the students studying at the faculty for this purpose. The research was conducted on the basis of 153 evaluable survey data obtained by...

The aim of this study was to determine the effect of adding pomace (peach, apricot) and molasses in different proportions to vetch feed on the digestibility values and relative feed quality of the silage. The forage was wilted before being chopped into pieces approximately 2–3 cm in length. Fruit and molasses were added to the silage. Treatment gro...

The aim of this study was to investigate the effect of safflower oil supplementation in quail diets on growth performance, blood antioxidant status, caecal short-chain fatty acid (SCFA) concentrations, and tibia–femur biomechanical properties. A total of 180 one-day-old quail chicks were randomly divided into three groups, each containing 60 chicks...

This study investigated the impact of grape pulp (GRP) and tangerine pulp (TNP) supplementation (10% each) on alfalfa silage quality. The control silage received no additives. After a two-month fermentation period, silage samples were analyzed for chemical composition, fermentation quality, microflora, and organic acids. According to our results, b...

Simple Summary This research investigated the feasibility of using discarded pomegranate peel powder as a natural supplement to enhance growth and gut health in broilers, offering a natural solution against coccidiosis. The inclusion of 3 and 6 g/kg of pomegranate peel powder demonstrated significant efficacy in alleviating the hindered growth rate...

Mycotoxins are ubiquitous in the environment and occur naturally in human food and animal feed. Therefore, in this study the performance, haematobiochemical profiles, macroscopic and histopathological lesions in quails caused by ochratoxin (OTA) were examined. The OTA was obtained by culturing the spore of Aspergillus ochraceus. Sixty healthy male...

This study was carried out to determine the effects of Reishi mushroom (Ganoderma lucidum) powder inclusion into quail diets on live weight, live weight change, feed consumption, feed conversion ratio, carcass traits, intestinal microflora and serum biochemical parameters of the animals. A total of 200 Japanese quail (Coturnix coturnix Japonica) we...

This study was conducted to investigate the effects of Shiitake mushroom (Lentinus edodes) supple-mentation into quail diets on live weight, live weight gain, feed consumption, feed conversion ratio, blood serum biochemical parameters (total cholesterol, total protein, triglyceride, glucose) and intestine bacteria populations. A total of 220 Japane...

In this study, Italian ryegrass ensiled in laboratory silos was examined in vitro to evaluate the nutrient composition of silage and rumen parameters. In this study, four experimental treatments were included, which included a control group (Italian ryegrass silage), the control group supplemented with 4.5% molasses, the control group supplemented...

Vitamin A is a fat-soluble vitamin that cannot be synthesized in the body and must be obtained through diet. Despite being one of the earliest vitamins identified, a complete range of biological actions is still unknown. Carotenoids are a category of roughly 600 chemicals that are structurally related to vitamin A. Vitamin A can be present in the b...

Simple Summary It is economically significant to perform early selection of breeding goats. Given that the effect of genetic and environmental factors on growth can be estimated more accurately, estimation of adult body weight is viable, and rapid genetic progress can be achieved in the herd through the application of selection in this manner. Thus...

Background The study evaluated the effect of unripe banana flour (UBF) given individually or in combination with probiotics or multienzymes on blood profile, serum biochemical parameters and intestinal indices of broilers. Methods A 392 broiler chicks were assigned to four groups (each with seven replicates) included CONT (birds provided with cont...

Background Following the prohibition of in‐feed antibiotics, poultry nutritionists are increasingly interested in the use of functional feed. Unripe banana flour (UBF) contains significant amounts of oligosaccharides (which may act as prebiotics) and antioxidants, making it a potential functional feed for broilers. However, research on the use of U...

The experiment's purpose was to evaluate the effect of adding different levels of essential flaxseed oils (FEO) on the chemical composition and in vitro degradability of alfalfa silage. Treatments were alfalfa silage with no additive (control) or treated with 60 or 120 ml/kg DM of essential flaxseed oils (FEO60, FEO120, respectively). Whole plant a...

Bu araştırma, bireylerin organik bitkisel ve hayvansal üretim, organik ürün tüketim alışkanlıkları ile bilgi kaynaklarını ortaya koymak amacıyla yapılmıştır. Çalışmada Ana Kitle Oranlarına Dayalı Basit Tesadüfi Olasılık Örneklemesi Yöntemi’ne göre belirlenen 399 kişiyle anket çalışması yapılmıştır. Araştırmada, katılımcıların %95.0’i organik tarım...

A total of 320 one-day-old broiler chickens were used in a 42-day feeding trial to evaluate the effects of peppermint (Mentha piperita L.) and chicory (Cichorium intybus L.) in comparison with a prebiotic on-growth performance, blood constitutes, immunity and intestinal microflora. The dietary treatments were as follows: basal diet (control); contr...

The objective of the present study was to evaluate the effect different levels of dried pulp of tamarind (DTSP) on growth, lipid profile, oxidative status and immune response in broilers exposed to cyclic heat stress (HS). A total of 720 one-d-old male broiler chickens (Hubbard) were randomly allocated to 6 treatments (5 replicates) consisted of th...

The prohibition of antibiotic growth promoters (AGP) and the restriction of synthetic antioxidants have had a negative impact on the productivity and health of broiler chickens. To ensure sustainability in broiler production, poultry nutritionists continue to look for alternatives to AGP and antioxidants. Using herbal ingredients is one alternative...

This experiment aimed to investigate the effects of inulin supplementation on milk production and composition, feed intake, nutrient digestibility and rumen fermentation parameters in lactating ewes. The experimental treatments were (1) control group (basal diet), (2) basal diet plus 2% inulin (w/w) and (3) basal diet plus 4% inulin (w/w). The expe...

This study was carried out to examine the thoughts and perspectives of Kadirli Faculty of Applied Sciences students about distance education and to reveal the thoughts and suggestions of these students in this direction. For this purpose, a survey was conducted with a total of 153 students by communicating with the students in the faculty via the d...

Alfalfa is one of the most important sources of forage in the ruminant diet, cultivated widely around the world. However, many nutrient losses from alfalfa are due to the mechanical treatments during the drying and storage process. Therefore, feeding alfalfa as silage is an alternative way to prevent drying losses. The experiment's purpose was to e...

Ruminal fermentation of feed leads to methane production and wastes feed energy. Appropriate feed additives have shown to reduce ruminal methane production. Accordingly, it is important to identify compounds as feed additives to alter ruminal fermentation patterns to improve feed efficiency as well as reduce methane production. This experiment aime...

One of the main categories of environmental challenges are process discards including apple pulp (AP). This by-product contains nutrients making it an ideal candidate as feed additive. In this study, the potential of AP as animal feed was examined. Alfalfa silage was supplemented with fresh AP and essential oil (EO) and the in vitro effects were te...

Simple Summary Most unsaturated fatty acids in the ruminant’s diet are hydrogenated in their rumen so that the composition of the fatty acids entering the rumen and their output is significantly different. Therefore, minimizing the ruminal biohydrogenation process of unsaturated fatty acids is one of the most important issues for feed supplements m...

In an experiment, the efficacy of Tragopogon graminifolius (TG) plant powder as a medicinal supplement for laying hens was investigated. A total of 192 Hy-line (W36) hens that had been laying for 52 to 63 weeks, were used. They were allocated to four replicates of four treatments (12 birds per in each replicate) in a completely randomized design. D...

This study was organized to determine the nutritional value of different alfalfa varieties and lines selected within the scope of the “Cukurova Region Alfalfa Breeding Project”, conducted at the Eastern Mediterranean Agricultural Research Institute, by using the in vitro gas production technique. In the project, Nimet was certified as a new variety...

The interest in organic livestock and products produced from animals has increased considerably in recent years; Studies on this subject have been concentrated. In this review, organic and ecological production of chicken meat and eggs: review of legislative harmony between the EU and the Republic of Serbia.

Background and Aim: Natural feed additives are important for broiler sustainability during the post-antibiotic era. This study aimed to evaluate the possible effects of the dietary supplementation of Lactobacillus casei-fermented mixture of red rice and aromatic ginger (FERMIX) on growth, blood profiles, intestinal bacterial content, and morphologi...

Non-antibiotic feed additives are nowadays increasingly used in animal feed industry as more and more reports are surfaced on antibiotic resistance. This study quantified the effects of enzymes and yeast supplementation, individually or in combination, on growth performance, diet digestibility, carcass quality, and ileum morphometry of fattening ra...

The purpose of this study was to determine the chemical and physical properties of samples of propolis collected from apiaries in Genç, Karliova and Solhan districts of Bingöl Province, which is important in the beekeeping sector in Turkey. In the experiment, fatty acids and derivatives of the propolis samples were analysed with gas chromatography-...

The purpose of this study was to examine the effect of adding different levels of black cumin seed (BCS) to the compound feed on performance, serum criteria, and reproductive hormones in male Japanese quails (Coturnix coturnix Japonica). 80 male Japanese quails (Coturnix coturnix Japonica) at the age of 21 days were used in the study. The trial was...

The present study investigated the influence of the quail diet polluted with aflatoxin B1 (AFB1) and its detoxification by using clay as a feed additive on the growth performance and some blood biochemical components of growing Japanese quail with reference to sex. A total number of 120 Japanese quail chicks (1 week old), was randomly divided into...

Background and aim: In the post-antibiotic era, consumer demand for healthy and safe meats has prompted poultry producers to seek alternative effective feed additives. This study aimed to investigate the effects of a novel natural feed additive based on a mixture of Averrhoa bilimbi L. fruit filtrate, wheat bran, and Saccharomyces cerevisiae on th...

The present study was carried out to examine the effect of dietary protein levels (18, 20, and 22%) and addition of cold-pressed oils (no addition, 1 g thyme, 1 g oregano, and 0.5 g thyme + 0.5 g oregano /kg diet) on the productive and reproductive performance and egg quality of Japanese quail at the laying period. 324 mature ten-week-old Japanese...

ZET: Bu çalışmada, sınava hazırlık merkezlerine (dershane) giden öğrencilerin organik ürünler ile ilgili duygu ve düşünceleri saptanmak istenmiştir. Bu nedenle 227 kişiye yüzyüze anket çalışması uygulanarak 24 soru sorulmuştur. Çalışma 2019 yılı Eylül ayında düzenlenmiştir. Çalışmada organik ürün tüketimini etkileyen faktörlerin doğal olması, güven...

This study aimed to test the hypothesis that lower levels of pennyroyal (Mentha pulegium L.) extract can improve growth traits, blood constitutes, immunity and microflora in broilers up to 42-days production cycle. A total of 300 broiler chicks (Ross 308) were randomly distributed into five dietary treatments, with three replicates per treatment (2...

This study was conducted to determine the effect of adding different levels of Spirulina platensis (SP) to laying hen diets on performance, egg quality, egg yolk color and some blood parameters. Sixty 60-week-old Lohmann LSL Classic laying hens were used in the study. The experiment was conducted in 15 subgroups with 4 hens in each cage, with 5 rep...

The current research trial was conducted to evaluate the effects of a non-antibiotic growth promoter on growth performance and histomorphology in broiler chickens. One hundred and twenty day-old broiler chicks were randomly distributed into four treatment groups with three replicates per treatment (10 chicks per replicate) under Completely Randomiz...

This study was aimed to determine the effects of different levels of fresh whey and Lactobacillus buchneri inoculation on the nutrient properties and aerobic stability of alfalfa silage. Experiment was conducted with 8 treatments and 3 replicates for 90 days. Treatments included wilted alfalfa (control), wilted alfalfa + bacterial inoculant (AB), w...

In this study, it was aimed to determine the consumption habits of the students in the Organic Agriculture Management Department of Osmaniye Korkut Ata University Kadirli School of Applied Sciences. For this reason, a 24-question survey was conducted with a total of 36 students in September 2019. Data obtained from the surveys were evaluated using...

This study assessed the effects of the additions of an essential oil (EO), composed of ricinoleic acid, cardol, cardanol, and apple pomace, on fermentation quality and aerobic stability of alfalfa silages. The experimental treatments consisted of T1) alfalfa (control), T2) alfalfa with EO, T3) alfalfa (75%) with apple pomace (25%), T4) alfalfa (75%...

NOHUT GEVENİNİN (ASTRAGALUS CICER L.) HAYVANCILIKTA KULLANIMI ÜZERİNE YETİŞTİRİCİ GÖRÜŞLERİ: ADIYAMAN İLİ ÖRNEĞİ Bu çalışmada; Adıyaman ilinde hayvancılık yapan üreticilerin genel durumu hakkında bilgi sahibi olmak, nohut geveninin üretim durumu, çiftçiler tarafından kullanım durumu ve nohut geveninin besin içeriğinin, çiftçi tarafından bilinip bil...

In this study, it was aimed to determine the nutritive values and digestibility (in ram) of different tiger nut varieties (Sarı şeker, İntrodüksiyon 1, Bal yumru). The average gas production at different times of tiger nut varieties, the in vitro gas production kinetics after 96 hours of incubation and the in vitro incubation times were determined....

Mantarların hasat edilmesinden sonra atık bir ürün olarak ortaya çıkan mantar kompostu çevre kirliliği oluşturabilecek potansiyel bir materyal olup, bertaraf edilmesi ekonomik bir maliyet getirmektedir. Bitkisel üretimde kullanılan atık mantar kompostu üretilen ürün miktarına katkıda bulunmaktadır. Ülkemizde mantar yetiştiriciliğinin artmasına bağl...

This study was carried out in order to determine the effect of different levels of rosemary (Rosmarinus officinalis L.) essential oil on performance parameters, some serum characteristics and reproductive hormones of male Japanese quails (Coturnix coturnix Japonica). In the study, 60 male Japanese quails at the age of 49 days were used as animal ma...

In this study, the effects of different methods of feeding turkeys on the neuropeptide nesfatin-1 and the hormone irisin were evaluated. A total of 90 turkeys were distributed to three treatment groups, namely T1: conventional system, T2: 50% feed and pasture, and T3: pasture. There were 30 birds in each group with three random replications. The bi...

This study was carried out in order to determine the effect of different levels of rosemary (Rosmarinus officinalis L.) essential oil on performance parameters, some serum characteristics and reproductive hormones of male Japanese quails (Coturnix coturnix Japonica). In the study, 60 male Japanese quails at the age of 49 days were used as animal...

Highlights Peanut is rich in amino acids, minerals, and vitamins and crude protein. Waste from agricultural processing factories is one of the sources of environmental pollution. The use of new feed sources as animal feedstuff is necessary. Abstract This study was carried out to determine the nutritional value of some selected peanut varieties and...

The purpose of this study was to determine the effects of age and sex of the foal on the gestation length of thoroughbred mares. The study covered six stallions (of average age of 10.25 years) and 34 mares (of average age of 10.51 years) with descent records (pedigree), English Thoroughbred horses raised and actively used for breeding at a study fa...

Simple Summary In the last decade, the interest in plants, plant extracts, and derived phytochemicals as dietary additives for poultry has significantly increased. This study aimed to investigate the effects of different dietary levels of both horsetail and spirulina on performance, egg quantitative and qualitative traits, serum and yolk cholestero...

Full and balanced diet of poultry with high-quality feeds and availability of minerals is the key to high safety and productivity of animals. The needs of animals for minerals can be met through various forms of compounds: inorganic, organic, chelated and nanoscale. The aim of research was a comparative assessment of influence of various forms of z...

The aim of this experiment was to compare the effects of adding monensin, tannic acid and cinnamon essential oil on in vitro gas production parameters of sesame meal. Experimental treatments included sesame meal (control), sesame meal + 12 mg monensin/kg DM, sesame meal + 24 mg monensin/kg DM, sesame meal + 50 mg tannic acid/kg DM, sesame meal + 10...

This study was carried out in order to examine the knowledge, suggestions, thoughts and perspectives of agricultural engineers about the organic agricultural management department and to reveal the thoughts and suggestions of the engineers in this direction. In this study, a survey of 42 questions was applied to 437 agricultural engineers. In t...

This study was carried out in order to determine the effect of different levels of rosemary (Rosmarinus officinalis L.) essential oil on performance parameters, some serum characteristics and reproductive hormones of male Japanese quails (Coturnix coturnix Japonica). In the study, 60 male Japanese quails at the age of 49 days were used as animal m...

Tiger nut (Cyperus esculentus L.), or chufa, is a plant that is found in nature and is cultivated for its edible tubers. The purpose of this study was to determine the chemical composition, nutritive value, and in vitro digestibility of three tiger nut varieties using the in vitro gas production technique. These varieties were Sarışeker (yellow), I...

This study was conducted to evaluate the effects of temperature-humidity index (THI) on the mortality and the panting rates in hens exposed to varying thermal environments. Hens were challenged with an acute elevation in THI in Experiment 1, where dry-bulb temperature and relative humidity were set at ~27°C and 56% at the beginning of the experimen...

The purpose of this study was to determine the effects of age and sex of the foal on the gestation length of thoroughbred mares. The study covered six stallions (of average age of 10.25 years) and 34 mares (of average age of 10.51 years) with descent records (pedigree), English Thoroughbred horses raised and actively used for breeding at a study fa...

The purpose of this study was to determine the effect of arbuscular mycorrhizae (AM) inoculation, which was administered to increase the quality of einkorn wheat in its fatty acid composition, quality and mineral concentration. Wheat grown from AM inoculated seed (AM+) had increased the dry matter (DM), iron (Fe), monounsaturated fatty acids (MUFA)...

This study was conducted to determine the effects of spirulina (Sipurulina platensis) (SP) supplementation to quail ration on bird live weights, change in live weight, feed consumption, feed conversion ratio, carcass yield and serum biochemical parameters. A total of 220 Japanese quail chicks (Coturnix coturnix japonica) were used in experiments. T...

This study was conducted to determine the effects of spirulina (Sipurulina platensis) (SP) supplementation to quail ration on bird live weights, change in live weight, feed consumption, feed conversion ratio, carcass yield and serum biochemical parameters. A total of 220 Japanese quail chicks (Coturnix coturnix japonica) were used in experiments. T...

Yeast and its derivatives are extensively utilized as feed additives in poultry industry owing to their desirable health and growth promoting effects. Exhaustive number of studies had reported positive effects of yeast based additives on growth, meat quality, immunity, antioxidant status, and gastrointestinal functions in poultry birds. Owing to th...

This study was aimed at determining the effects of two phytogenic antioxidants, namely, cinnamaldehyde and 1,8-cineole, and an antibiotic added to laying hen feed on the fatty acid profile of egg yolk and the weight loss and lipid peroxidation levels of eggs stored for different periods. Ninety-six 48-week-old Bovans White hens were randomly assign...

Immunosuppressive diseases like Infectious Bursal Disease (IBD) required quick and precise diagnosis because of the immense economic losses associated with it. Therefore, a multi-facet diagnostic approach was used to investigate the broiler chicken affected with IBD in Kashmir, India. The full history in terms of chicken population, their age group...

As a result of the imbalance and upward increase in market prices of feed ingredients used as protein sources such as soybean meal and fish meal in poultry feeds, the need for cheaper alternative sources has increased. Jatropha (Jatropha curcas), one of these alternative feed sources, is a plant of Euphorbiaceae family which has increased its popul...

The purpose of this study was to determine the effects of arbuscular mycorrhizal (AM) inoculation on the quality of einkorn wheat straw (EWS) and in vitro gas production (GP). It was found that AM inoculation of EW seed before sowing caused significant increases in crude protein (CP), ether extract (EE), neutral detergent fibre (NDF), zinc (Zn), co...

The study aimed to compare and assess some of the quality characteristics (morphology, colour of the yolk, total carotenoid content and fatty acid profile) of eggs obtained from hens reared conventionally or in alternative system having access to pasture. Twenty eggs of each rearing system were analysed for the above characteristics. The eggs obtai...

The objective of this study was to assess the nutrient contents and in vitro true digestibility (IVTD) of parts of the corn plant. The corn used in the study was P2088, a variety that is grown widely in Turkey. It had matured and was harvested 140 days after planting. Four replicate plants were separated into nine parts, namely lower stalk, central...

The present study evaluates the effect of dietary ascorbic acid and chromium (AACr) on performance and microflora balance of broiler reared under thermoneutral conditions (TN) vs. high heat stress (HS). Two experiments were conducted on 112 Cobb 500 broilers, assigned in two experimental groups (28 chickens/group) and housed in an environmental con...

The purpose of this study was to determine the effects of age and sex of the foal on the gestation length of thoroughbred mares. The study covered six stallions (of average age of 10.25 years) and 34 mares (of average age of 10.51 years) with descent records (pedigree), English Thoroughbred horses raised and actively used for breeding at a study fa...

The aim of this study was to determine effects of different dietary rosemary essential oil levels on growth performance, carcass traits and haematological values of breeder chukar partridge. Eighty (60 females and 20 males), 32-week-old breeder chukar partridge were randomly divided in five treatments, with four replicate pens with 4 birds each. Fi...

This study was performed to compare the effects of embryo quality on pregnancy outcome in recipient cows and heifers. Embryos obtained from 83 Holstein donors were used in the study. In order to synchronize the recipients, 500 μg of cloprostenol were administered intramuscularly (im), twice, at an interval of 11 days. In all recipients, one embryo...

The aim of this study was to determine the socioeconomic structures of dairy cattle farms and feed usage in dairy cattle sector in the Mediterranean Region provinces (Adana, Osmaniye, Mersin, Hatay, Kahramanmaraş) of Turkey. According to the results of the research, it was determined that the family sourced labour force was used at a higher rate th...

This study was conducted to exhibit the importance of kermes oak (Quercus coccifera L.) and mock privet (Phillyrea latifolia L.) in the grazing system and animal feeding. For this purpose, the leaves of these two evergreen shrubs were harvested by hand-clipping in their early vegetative stages at Şarköy, Tekirdağ, Turkey, in April 2019. The nutrien...

The aim of this study was to evaluate the effect of simvastatin (SIM) and L-carnitine (LC) additives and their interactions, on productive performance and carcass quality of broilers. For this purpose, a feeding trial was conducted, under 3×3 factorial design, using SIM at 0, 1 or 2 g/kg level and LC at 0, 150 or 300 mg/kg level in a basal-diet and...

The agricultural production model which is done in order to provide food security, sustainability, and traceability in the agriculture, protect the natural sources and perform agricultural production, harmless to the environment, human and animal health, is called as Good Agricultural Practices. This study covers agricultural enterprises engaged in...

The research was carried out in the Eastern Mediterranean Agricultural Research Institute-Hacı Ali location with 4 replications according to the randomized block trial design in 2013-2014. 13 public and 1 private sector maize variety were used as material in the trials. According to the results of the analysis, it was determined that the maize vari...

Gıda, yem ve yakıta sürekli artan talebin karşılanması ve atıkların, özellikle de organik atıkların yönetilmesi büyük bir küresel problem haline gelmiştir. Mevcut organik atık yönetimi uygulamaları olan anaerobik sindirim, toprak dolgusu, atık arıtma ve kompostlama teknikleri sadece masraflı değil aynı zamanda yeraltı ve yüzey suyu kirliliği ve ser...

ÖZET: Bu çalışma, in vitro gaz üretim tekniği ile farklı ayçiçeği hatlarının yem değerinin saptanması amacıyla düzenlenmiştir. Araştırma sonucunda ele alınan özelliklerden kuru madde (KM) içeriği dışında tüm parametreler önemli bulunmuştur (P<0.05). Ayçiçeği hatlarının in vitro gaz üretimi (GÜ), metan gazı üretimi (CH4), metabolik enerji (ME) ve ne...

In this study, the effects of the supplementation of natural and synthetic antioxidant additives in layer diets on egg weight loss, yolk lipid peroxidation (TBARS values) and fatty acid composition of eggs stored at different temperatures and duration were evaluated. In total, 112 48- weeks-old Bovans White layers were randomly allotted to four die...