Istanbul University-Cerrahpaşa, Faculty of Veterinary Medicine, Department of Animal Nutrition & Nutritional Diseases. Istanbul, Turkey.
*Halil Can Kutay: email@example.com
In this study, enterprise structure, feedstuffs used in animal feeding, percentage of these feedstuffs, nutrition habits of animal in beef cattle and dairy cattle enterprises in Istanbul were determined. The research material in this study consisted of dataset obtained from 76 cattle enterprise managers by using questionnaire in Istanbul. The production type in 58, 22 and 4 of these enterprises were combined, dairy cattle and beef cattle , respectively. The percentage of breeds were 76.3% (58 enterprises) culture-bred, 18,4% (14 enterprises) mixed-bred and 6.6% (5 enterprises) and 6.6% (5 enterprises) domestic bred. Applied fattening methods were 40,8% (22 enterprise) open-, 37.0% (20 enterprise) half-open-, 22.2% (12 enterprise) closed- fattening method. In this study, the major part of these enterprises (88.2%) have been producing own feedstuffs. The percentage of feedstuff production in these enterprises were 41.8% (28 enterprise) alfalfa, 43.3% (29 enterprise) wheat, 58.2% (39 enterprise) barley, 38.8% (26 enterprise) oat, 34.3% (23 enterprise) vetch, 79.1% (53 enterprise) maize for silage. Silage has been made by themselves in 62 enterprises (81.6%), but it has been purchased in 14 enterprises (18.4%). It was determined that roughage: concentrate rate was substandard in 40.8% of fattening enterprises. Special feeding program has been applied by all of the enterprises, however, it was observed that reproduction, fertility and calf health were still the most important problem because of inadequate nutrition of calves from birth to weaning period.
Keywords: Istanbul, enterprise, feedstuffs, inadequate nutrition