About
Professional SummaryDr. Tugay Ayasan received PhD degree from Cukurova University Agricultural Faculty Department of Animal Science, Turkey. Dr. Ayasan’s major subject is Poultry Nutrition espacially Japanese quail nutrition. Dr. Ayasan is the author of more than 264 scientific articles and the reviewers of more than 1600 scientific articles. He is serving as editorial board member and reviewer of different journals.
Education
Academic Background-
Ph.D. Cukurova University, Turkiye Broiler Nutrition, Threonine | Completed: 2004
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M.Sc. Cukurova University, Turkiye Quail Nutrition, Calcium and Phosphorus | Completed: 1998
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B.Sc. Cukurova University, Turkiye Agricultural Engineering | Completed: 1994
Publications (70)
Selected Scholarly Contributions
Determining the energy-use efficiency and economic analysis of broiler chickens raised under organic conditions.
Tugay Ayasan
2016
Examination of some carcass parts measurements affecting on carcass weight via path analysis on Japanese quail.
Tugay Ayasan
2016
Effect of planting date on yield, plant water stress ındex and water usage rate of sunflower (helianthus annuus) genotypes in semi-arid cukurova of Turkey.
Tugay Ayasan
2016
Growth performance and survival rate traits in holstein calves.
Tugay Ayasan
2016
Use of mulberry leaf in animal nutrition.
Tugay Ayasan
2016
Effect of different feeding methods on live weight and live weight gain in Turkeys.
Tugay Ayasan
2016
Using of babassu and its by-products in animal nutrition.
Tugay Ayasan
2016
Use of copra meal in poultry and ruminant nutrition.
Tugay Ayasan
2016
Effect of different housing systems (cages versus floor) on energy efficiency analysis of meat type Japanese quails.
Tugay Ayasan
2016
Efficacy of probiotic supplementation on growth performance and carcass traits in Japanese quails.
Tugay Ayasan
2016
The effects of freezing and supplementation of molasses and inoculants on chemical and nutritional composition of sunflower silage.
Tugay Ayasan
2016
Use of moringa oleifera in poultry and ruminant nutrition.
Tugay Ayasan
2015
Nutrition of recipient cows.
Tugay Ayasan
2015
Classification of holstein dairy cattles in terms of parameters some milk component belongs by using the fuzzy cluster analysis.
Tugay Ayasan
2015
Use of camelina (Camelina sativa (L.) Crantz) in poultry nutrition.
Tugay Ayasan
2014
The efect of choice feding based on threonine on performance characteristics and carcas parameters of female broiler chicks.
Tugay Ayasan
2014
The effect of choice feeding based on threonine on performance and carcass parameters of male broiler chicks.
Tugay Ayasan
2014
Effects of dietary Yucca schidigera on hatchability of Japanese quails.
Tugay Ayasan
2013
Effects of dietary inclusion of protexin (probiotic) on hatchability of Japanese quails.
Tugay Ayasan
2013
The effect of somatic cell count on the quality of embryo in donor cows.
Tugay Ayasan
2012
Effects of use of inoculant in silages composed of different forage crops on crude nutrient content and quality.
Tugay Ayasan
2012
The effect of body condition score on milk composition.
Tugay Ayasan
2012
The effects of corn silage and sugar beet pulp on fattening performance, blood parameters and carcass characteristics of bulls.
Tugay Ayasan
2012
The effects of repeated superovulations on the quality of embryo of donor cows and heifers.
Tugay Ayasan
2012
The effect of body condition score on embryo quality of Holstein cows.
Tugay Ayasan
2012
The determination of relationship between age and the quality of embryo of donor cows.
Tugay Ayasan
2011
The determination of relationship between milk production and the quality of embryo of donor cows.
Tugay Ayasan
2011
Effects of boric acid supplementation on egg production and quality of Japanese quails (Coturnix coturnix Japonica).
Tugay Ayasan
2011
Soybean silage and usage of animal nutrition.
Tugay Ayasan
2011
Importance of organic selenium in farm animal nutrition.
Tugay Ayasan
2011
Use of protected fats in animal nutrition.
Tugay Ayasan
2011
Effect of season upon the embryo quality in donor cows.
Tugay Ayasan
2011
The effect of milk urea nitrogen on milk composition in Holstein dairy cows.
Tugay Ayasan
2011
Threonine requirement of female broilers from 22 to 42 days of age.
Tugay Ayasan
2011
Effect of ovsynch protocol on pregnancy rate in heifers and cows.
Tugay Ayasan
2011
Effects of dietary selenium source, storage time and temperature on the quality of quail eggs.
Tugay Ayasan
2011
Effects of using inoculant in silages in which different forage crops on crude nutrient content and flieg point.
Tugay Ayasan
2010
Use of cassava and products in animal nutrition.
Tugay Ayasan
2010
Use of β-carotene in animal nutrition and its effects.
Tugay Ayasan
2010
Nutrition of donor cows.
Tugay Ayasan
2010
Use of pea (Pisum sativum L.) in ruminant and poultry nutrition.
Tugay Ayasan
2010
Use of protected methionine in ruminant nutrition.
Tugay Ayasan
2010
Use of Vicia ervilia L. in animal nutrition.
Tugay Ayasan
2010
The effect of different incubation times on in vitro digestibility of some common vetch (Vicia sativa L.) cultivars grown under cukurova conditions.
Tugay Ayasan
2010
The effect of organic and inorganic selenium supplementation on egg production parameters and egg selenium content of laying Japanese quail.
Tugay Ayasan
2010
Effects of diets containing different levels of threonine and lysine aminoacids on fattening performance of broiler chicks.
Tugay Ayasan
2010
Threonine requirement of broilers from 22 to 42 days.
Tugay Ayasan
2009
Threonine requirement of laying Japanese quails.
Tugay Ayasan
2009
Use of distillers dried grains with solubles in animal nutrition.
Tugay Ayasan
2009
Importance of milk urea nitrojen of dairy cow nutrition.
Tugay Ayasan
2009
Biotechnology applications in animal nutrition.
Tugay Ayasan
2009
Organic minerals in animal nutrition.
Tugay Ayasan
2007
Determination of threonine requirements of female broiler chicks in starter period.
Tugay Ayasan
2006
The effects of dietary inclusion of probiotic protexin on egg yield parameters of Japanese quails (Coturnix coturnix Japonica).
Tugay Ayasan
2006
Dietary threonine supplementation for improving growth performance and edible carcass parts in Japanese quails, Coturnix coturnix Japonica.
Tugay Ayasan
2006
The effects of dietary yucca schidigera on egg yield parameters and egg shell quality of laying Japanese quails (Coturnix coturnix japonica).
Tugay Ayasan
2005
Effects of boric acid supplementation on fattening performance and carcass characteristics of Japanese quail.
Tugay Ayasan
2002
Threonine amino acid and importance of poultry nutrition.
Tugay Ayasan
2001
New developments in feed formulation.
Tugay Ayasan
2001
Effects of sex and different stocking densities on the fattening characteristics of Japanese quails.
Tugay Ayasan
2000
The important of Ca and P on animal nutrition.
Tugay Ayasan
2000
Japanese quail and its nutritional requirements. Section II.
Tugay Ayasan
2000
Effects of restricted feeding on fattening and carcass composition of Japanese quail.
Tugay Ayasan
2000
Variation of carcass characteristics according to age and sex of quails.
Tugay Ayasan
2000
The important of vitamin C on poultry nutrition.
Tugay Ayasan
1999
Japanese quail and its nutritional requirements. Section 1.
Tugay Ayasan
1999
The behaviour of quail.
Tugay Ayasan
1999
Lysine and its importance of poultry nutrition.
Tugay Ayasan
1999
Methionine and its importance of poultry nutrition.
Tugay Ayasan
1998
Effects of grower diets differing in crude protein and energy levels on egg productions of quails.
Tugay Ayasan
1998