1. Sakarya University, Pamukova Vocational School, Sakarya, Turkey
2. Igdır University, Agricultural Faculty, Department of Animal Science, Igdir, Turkey
3. Oregon State University, Agricultural Faculty, Department of Horticulture, Corvallis, Oregon, USA
4. Ataturk University, Agricultural Faculty, Department of Horticulture, Erzurum, Turkey
5. Igdir University, Agricultural Faculty, Department of Horticulture, Igdir, Turkey
6. Ege University, Agricultural Faculty, Department of Animal Science, Izmir, Turkey