Dr. Tugay Ayasan
My Social Links

Dr. Tugay Ayasan

Research Scientist
Osmaniye Korkut Ata University, Kadirli Academy of Applied Sciences, Osmaniye / TURKEY

Highest Degree
Ph.D. in Broiler Nutrition, Threonine from Cukurova University, Turkey

Share this Profile

Biography

Dr. 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.

Area of Interest:

Animal and Veterinary Sciences
100%
Animal Nutriton
62%
Quail
90%
Broiler Nutrition
75%
Laying Hen
55%

Research Publications in Numbers

Books
2
Chapters
2
Articles
127
Abstracts
9

Selected Publications

  1. Ucak, A.B., T. Ayasan and A.N. Cil, 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. J. Agric. Faculty Gaziosmanpasa Univ., 33: 157-165.
  2. Konca, Y., B.S. Buyukkilic, T. Ayasan, M. Kaliber and K.A. Bozkurt, 2016. The effects of freezing and supplementation of molasses and inoculants on chemical and nutritional composition of sunflower silage. Asian-Aust. J. Anim. Sci., 29: 965-970.
    CrossRef  |  PubMed  |  Direct Link  |  
  3. Inci, H., S. Celik and T. Ayasan, 2016. Examination of some carcass parts measurements affecting on carcass weight via path analysis on Japanese quail. KSU J. Nat. Sci., 19: 227-235.
  4. Inci, H., B. Sogut, T. Ayasan, S. Celik and T. Sengul, 2016. Effect of different feeding methods on live weight and live weight gain in Turkeys. Igdir Univ. J. Inst. Sci. Technol., 6: 151-156.
  5. Inci, H., B. Sogut, O. Gokdogan, T. Ayasan and T. Sengul, 2016. Determining the energy-use efficiency and economic analysis of broiler chickens raised under organic conditions. Indian J. Anim. Sci., 86: 1323-1327.
  6. Gokdogan, O., T. Ayasan, H. Inci, B. Sogut and T. Sengul, 2016. Effect of different housing systems (cages versus floor) on energy efficiency analysis of meat type Japanese quails. Indian J. Anim. Sci., 86: 1051-1054.
    Direct Link  |  
  7. Ayasan, T., H. Hizli, A. Asarkaya and M.A. Coskun, 2016. Growth performance and survival rate traits in holstein calves. Turk. J. Agric. Nat. Sci., 3: 223-228.
    Direct Link  |  
  8. Ayasan, T., 2016. Using of babassu and its by-products in animal nutrition. Turk. J. Agric. Food Sci. Technol., 4: 318-320.
    Direct Link  |  
  9. Ayasan, T., 2016. Use of copra meal in poultry and ruminant nutrition. Turk. J. Agricult. Food Sci. Technol., 4: 61-65.
    Direct Link  |  
  10. Ayasan, T., 2016. Efficacy of probiotic supplementation on growth performance and carcass traits in Japanese quails. Indian J. Anim. Sci., 86: 795-798.
    Direct Link  |  
  11. Ayasan, T. and M. Baylan, 2016. Use of mulberry leaf in animal nutrition. Turk. J. Agric. Food Sci. Technol., 4: 504-507.
    Direct Link  |  
  12. Kucukonder, H., T. Ayasan and H. Hizli, 2015. Classification of holstein dairy cattles in terms of parameters some milk component belongs by using the fuzzy cluster analysis. Kafkas Univ. Vet. Fac J., 23: 601-606.
    Direct Link  |  
  13. Ayasan, T., 2015. Use of moringa oleifera in poultry and ruminant nutrition. Turk. J. Agric.-Food Sci. Technol., 3: 425-429.
    CrossRef  |  Direct Link  |  
  14. Ayasan, T., 2015. Nutrition of recipient cows. Turkish J. Agric. Food Sci. Technol., 3: 22-27.
  15. Ayasan, T., 2014. Use of camelina (Camelina sativa (L.) Crantz) in poultry nutrition. KSU J. Nat. Sci., 17: 10-13.
  16. Ayasan, T. and F. Okan, 2014. The effect of choice feeding based on threonine on performance and carcass parameters of male broiler chicks. Turk. J. Agric.-Food Sci. Technol., 2: 190-196.
  17. Ayasan, T. and F. Okan, 2014. The efect of choice feding based on threonine on performance characteristics and carcas parameters of female broiler chicks. KSU J. Nat. Sci., 17: 1-9.
  18. Ayasan, T., 2013. Effects of dietary inclusion of protexin (probiotic) on hatchability of Japanese quails. Indian J. Anim. Sci., 83: 78-81.
  19. Ayasan, T., 2013. Effects of dietary Yucca schidigera on hatchability of Japanese quails. Indian J. Anim. Sci., 83: 641-644.
  20. Yaman, S., E. Unay, V. Karakas, M. Yildirim and S. Askar et al., 2012. Effect of forage dry matter content and bale size on fermentation characteristics and aerobic stability of alfalfa ensiled in round bales. Proceedings of the 15th International Feed Technology Symposium Feed-to-Food /Cost Feed for Health Joint Workshop, October 3-5, 2012, Novi Sad, Serbia -.
  21. Hizli, H., T. Ayasan, N. Kilicalp, U. Kara and E. Karakozak et al., 2012. The effects of repeated superovulations on the quality of embryo of donor cows and heifers. YYU Vet. Fak. Derg., 23: 11-14.
    Direct Link  |  
  22. Gok, K., T. Ayasan, A. Tekgul, H. Hizli and E. Karakozak et al., 2012. The effect of somatic cell count on the quality of embryo in donor cows. Suleyman Demirel Univ. Ziraat Fakultesi Dergisi, 7: 49-55.
  23. Ayasan, T., K. Gok, A. Asarkaya, H. Hizli and M. Gorgulu et al., 2012. The effects of corn silage and sugar beet pulp on fattening performance, blood parameters and carcass characteristics of bulls. Suleyman Demirel Univ. Ziraat Fak. Derg., 7: 64-73.
    Direct Link  |  
  24. Ayasan, T., E. Yazgan and A. Asarkaya, 2012. The effect of body condition score on milk composition. J. Fac. Vet. Med. Univ. Erciyes, 9: 89-93.
    Direct Link  |  
  25. Ayasan, T., A. Asarkaya, H. Hizli, K. Gok and A. Tekgul et al., 2012. The effect of body condition score on embryo quality of Holstein cows. Kafkas Univ. Vet. Fak. Derg., 18: 91-94.
    Direct Link  |  
  26. Ayasan, T. and E. Karakozak, 2012. Effects of use of inoculant in silages composed of different forage crops on crude nutrient content and quality. Fyrat Univ. Vet. J. Health Sci., 26: 93-98.
    Direct Link  |  
  27. Kara, U., T. Ayasan, H. Hizli and K. Gok, 2011. Effect of ovsynch protocol on pregnancy rate in heifers and cows. J. Fac. Vet. Med. Univ. Erciyes, 8: 1-8.
    Direct Link  |  
  28. Hizli, H., T. Ayassan, K. Gok, U. Kara and N. Kilicalp et al., 2011. The determination of relationship between age and the quality of embryo of donor cows. Kafkas Univ. Vet. Fak. Derg., 17: 493-497.
  29. Baylan, M., S. Canogullari, T. Ayasan and G. Copur, 2011. Effects of dietary selenium source, storage time and temperature on the quality of quail eggs. Biol. Trace Elem. Res., 143: 957-964.
    CrossRef  |  PubMed  |  Direct Link  |  
  30. Ayasan, T., S. Yurtseven, M. Baylan and H.R. Kutlu, 2011. Effects of boric acid supplementation on egg production and quality of Japanese quails (Coturnix coturnix Japonica). Indian J. Anim. Sci., 81: 534-536.
  31. Ayasan, T., H. Hizli, K. Gok, N. Kilicalp and U. Kara et al., 2011. Effect of season upon the embryo quality in donor cows. J. Fac. Vet. Med. Univ. Erciyes, 8: 181-185.
    Direct Link  |  
  32. Ayasan, T., H. Hizli, A. Camlidag, U. Kara and K. Gok et al., 2011. The determination of relationship between milk production and the quality of embryo of donor cows. Indian J. Anim. Sci., 81: 912-914.
    Direct Link  |  
  33. Ayasan, T., H. Hizli and E. Yazgan, 2011. The effect of milk urea nitrogen on milk composition in Holstein dairy cows. Eur. J. Vet. Sci., 27: 219-222.
    Direct Link  |  
  34. Ayasan, T., 2011. Soybean silage and usage of animal nutrition. Erciyes Universitesi Veteriner Fakultesi Dergisi, 8: 193-200.
    Direct Link  |  
  35. Ayasan, T. and M. Baylan, 2011. Importance of organic selenium in farm animal nutrition. J. Agric. Fac. Suleyman Demirel Univ., 6: 34-43.
    Direct Link  |  
  36. Ayasan, T. and F. Okan, 2011. Threonine requirement of female broilers from 22 to 42 days of age. Suleyman Demirel Univ. Ziraat Fak. Derg., 6: 15-21.
    Direct Link  |  
  37. Ayasan, T. and E. Karakozak, 2011. Use of protected fats in animal nutrition. Ataturk Universitesi Veteriner Bilimleri Dergisi, 6: 85-94.
    Direct Link  |  
  38. Yucel, C. and T. Ayasan, 2010. The effect of different incubation times on in vitro digestibility of some common vetch (Vicia sativa L.) cultivars grown under cukurova conditions. Gaziosmanpasa Univ. Ziraat Fak. Derg., 27: 1-8.
    Direct Link  |  
  39. Yaman, S., M. Yildirim, S. Askar, V. Karakas, A. Bilgen, M. Avci and T. Ayasan, 2010. Effect of storage method and forage dry matter on fermentation characteristics, aerobic stability of alfalfa ensiled in round bales. Proceedings of the 9th International Symposium of Animal Biology and Nutrition, September 23-24, 2010, Bucharest, Romania -.
  40. Karakozak, E. and T. Ayasan, 2010. Use of protected methionine in ruminant nutrition. Suleyman Demirel Univ. Ziraat Fak. Derg., 5: 58-66.
    Direct Link  |  
  41. Karakozak, E. and T. Ayasan, 2010. Effects of using inoculant in silages in which different forage crops on crude nutrient content and flieg point. Kafkasbn. Vet. Fak. Dergisi., 16: 987-994.
  42. Canogullari, S., T. Ayasan, M. Baylan and G. Copur, 2010. The effect of organic and inorganic selenium supplementation on egg production parameters and egg selenium content of laying Japanese quail. Kafkas Univ. Vet. Fak. Derg., 16: 743-749.
    Direct Link  |  
  43. Ayasan, T., 2010. Use of pea (Pisum sativum L.) in ruminant and poultry nutrition. J. Agric. Fac. Suleyman Demirel Univ., 5: 74-82.
    Direct Link  |  
  44. Ayasan, T., 2010. Use of cassava and products in animal nutrition. J. Agric. Fac. Gaziosmanpasa Univ., 27: 73-83.
  45. Ayasan, T., 2010. Use of Vicia ervilia L. in animal nutrition. Kafkas Universitesi Veteriner Fakultesi Dergisi, 16: 167-171.
    Direct Link  |  
  46. Ayasan, T. and F. Okan, 2010. Effects of diets containing different levels of threonine and lysine aminoacids on fattening performance of broiler chicks. J. Faculty Agric. Suleyman Demirel Univ., 5: 36-43.
    Direct Link  |  
  47. Ayasan, T. and E. Karakozak, 2010. Use of β-carotene in animal nutrition and its effects. Kafkas Universitesi Veteriner Fakultesi Dergisi, 16: 697-705.
    Direct Link  |  
  48. Ayasan, T. and E. Karakozak, 2010. Nutrition of donor cows. Kafkas Universitesi Veteriner Fakultesi Dergisi, 16: 523-530.
    Direct Link  |  
  49. Ozcan, B.D. and T. Ayasan, 2009. Biotechnology applications in animal nutrition. Tavukculuk Arastırma Dergisi, 8: 58-63.
  50. Canogullari, S., M. Baylan and T. Ayasan, 2009. Threonine requirement of laying Japanese quails. J. Anim. Vet. Adv., 8: 1539-1541.
  51. Ayasan, T., F. Okan and H. Hizli, 2009. Threonine requirement of broilers from 22 to 42 days. Int. J. Poult. Sci., 8: 862-865.
    Direct Link  |  
  52. Ayasan, T., 2009. Importance of milk urea nitrojen of dairy cow nutrition. Gaziosmanpasa Un. Ziraat Fakultesi Dergisi, 26: 27-33.
  53. Ayasan, T. and E. Karakozak, 2009. Use of distillers dried grains with solubles in animal nutrition. Turk. Poult. Mag., 8: 42-49.
  54. Ayasan, T., 2007. Organic minerals in animal nutrition. Cukurova Universitesi Ziraat Fakultesi Dergisi, 22: 21-28.
  55. Baylan, M., S. Canogullari, T. Ayasan and A. Sahin, 2006. Dietary threonine supplementation for improving growth performance and edible carcass parts in Japanese quails, Coturnix coturnix Japonica. Int. J. Poult. Sci., 5: 635-638.
    CrossRef  |  Direct Link  |  
  56. Ayasan, T., B.D. Ozcan, M. Baylan and S. Canogullari, 2006. The effects of dietary inclusion of probiotic protexin on egg yield parameters of Japanese quails (Coturnix coturnix Japonica). Int. J. Poult. Sci., 5: 776-779.
    CrossRef  |  Direct Link  |  
  57. Ayasan, T. and F. Okan, 2006. Determination of threonine requirements of female broiler chicks in starter period. J. Agric. Fac., 21: 41-48.
  58. Ayasan, T., S. Yurtseven, M. Baylan and S. Canogullari, 2005. The effects of dietary yucca schidigera on egg yield parameters and egg shell quality of laying Japanese quails (Coturnix coturnix japonica). Int. J. Poult. Sci., 4: 159-162.
    CrossRef  |  Direct Link  |  
  59. Ayasan, T., F. Okan, S. Yurtseven, A.N. Uluocak and M. Baylan, 2002. Effects of boric acid supplementation on fattening performance and carcass characteristics of Japanese quail. J. Agric. Fac. Cukurova Univ., 17: 1-6.
  60. Okan, F., T. Ayasan and A.N. Uluocak, 2001. Effects of dietary seaweed extract (Maxicrop) on egg production parameters and egg shell quality of laying japanese quails. Proceedings of the 9th European Symposium on the Quality of Eggs and Egg Products, September 9-12, 2001, Kusadası, Turkey, pp: 293-298.
  61. Ayasan, T., 2001. Threonine amino acid and importance of poultry nutrition. J. Agric. Fac. Cukurova Univ., 16: 107-116.
  62. Ayasan, T., 2001. New developments in feed formulation. Turk. Poult. Magaz., 207: 65-70.
  63. Baylan, M., A.N. Uluocak, T. Ayasan and T. Sentut, 2000. Variation of carcass characteristics according to age and sex of quails. J. Agric. Fac. Cukurova Univ., 15: 107-110.
  64. Ayasan, T., M. Baylan, A.N. Uluocak and O. Karasu, 2000. Effects of sex and different stocking densities on the fattening characteristics of Japanese quails. J. Poult. Res., 2: 47-50.
  65. Ayasan, T., F. Okan, A.N. Uluocak and M. Baylan, 2000. Effects of restricted feeding on fattening and carcass composition of Japanese quail. J. Agric. Fac. Cukurova Univ., 15: 89-94.
  66. Ayasan, T. and F. Okan, 2000. The important of Ca and P on animal nutrition. TIGEM Dergisi, 15: 19-24.
  67. Ayasan, T. and F. Okan, 2000. Japanese quail and its nutritional requirements. Section II. Enformasyon Anim. Dergisi, 16: 33-39.
  68. Yildirım, H., T. Ayasan and A.N. Uluocak, 1999. The behaviour of quail. Turk. Poult. Magaz., 185: 69-73.
  69. Ayasan, T., S. Yurtseven and E. Karakozak, 1999. Lysine and its importance of poultry nutrition. TIGEM Dergisi, 71: 9-15.
  70. Ayasan, T. and F. Okan, 1999. The important of vitamin C on poultry nutrition. Turk. Poult. Magaz., 190: 61-66.
  71. Ayasan, T. and F. Okan, 1999. Japanese quail and its nutritional requirements. Section 1. Int. Anim. Enformasyon Dergisi, 16: 52-61.
  72. Okan, F., A.N. Uluocak, S. Canogullari and T. Ayasan, 1998. Effects of grower diets differing in crude protein and energy levels on egg productions of quails. J. Agric. Fac. Cukurova Univ., 13: 57-66.
  73. Ayasan, T. and E. Karakozak, 1998. Methionine and its importance of poultry nutrition. Turk. Poult. Magaz., 178: 46-50.