Tugay Ayasan

Tugay Ayasan
Osmaniye Korkut Ata University Kadirli Faculty of Applied Sciences

Assoc. Prof. Dr.

About

156
Publications
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Introduction
I am Associate Professor Dr. at the Osmaniye Korkut Ata University, Kadirli Academy of Applied Sciences. I am interested in poultry nutrition, silage quality, feed and animal nutrition. I am co-authored more than 241 papers. I am the reviewer of more than 1406 scientific articles. I am the editor of more than 692 (Six hundred ninety-two) articles. I am the Best Reviewer Award (Golden Award) from SCI journal, Asian-Australian Journal of Animal Science.

Publications

Publications (156)
Article
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...
Article
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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...
Article
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...
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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...
Article
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...
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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...
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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...
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The aim of this study was to investigate the effect of using chitosan nanoparticles and calcium alginate in the encapsulation of flaxseed oil on the biohydrogenation of unsaturated fatty acids and in vitro fermentation. The experiments were performed in a completely randomized design with 7 treatments. The experimental treatments included: diets wi...
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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...
Article
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...
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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...
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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...
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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...
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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...
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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...
Article
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...
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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...
Article
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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...
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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...
Conference Paper
Full-text available
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...
Article
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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%...
Conference Paper
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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...
Article
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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....
Conference Paper
Full-text available
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...
Preprint
Full-text available
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...
Article
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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...
Article
Full-text available
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...
Article
Full-text available
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...
Article
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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...
Article
Full-text available
The purpose of this study was to examine the effect of dietary horsetail (Equisetum arvense) and spirulina (Spirulina platensis) supplementation on performance, egg quality, serum biochemical and antioxidant status of laying hens. A total of 648, 63-week-old Hy-Line W-36 layers were divided into nine groups with eight replicates per group (nine bir...
Article
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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...
Article
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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...
Article
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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...
Article
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Article
Full-text available
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...
Article
Full-text available
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...
Article
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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 experim...
Article
Full-text available
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...
Article
Full-text available
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)...
Article
Full-text available
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...
Article
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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...
Article
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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...
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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...
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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...
Article
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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...
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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...
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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...
Article
Full-text available
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...
Article
Full-text available
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...
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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...
Article
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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...
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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...
Article
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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...