Comparative Structural and Economic Analysis of Rainbow Trout (Oncorhynchus mykiss) Hatcheries with Different Production Capacities in Kahramanmara？ Province, Turkey

In this study, the structural and economic aspects of rainbow trout (Oncorhynchus mykiss) hatcheries with the different production capacities in Kahramanmara？ Province of Turkey were compared. The commercial structure of this enterprises was 60% person-family and 40% company-partnership. Statistically, the medium-sized (96.88%) hatcheries have higher capacity usage rate than the the small (69.98%) and large-sized (60.0%) hatcheries (P？0.01). However, the production efficiency of the small (64.50%) and medium-sized (63.99%) enterprises were higher (P？0.01) than the large-sized enterprises. Average active capital was US $181 165 in the small-sized, $436 147 in the medium-sized and $1 271 634 in the large-sized enterprises. Gross and net income values were $40 213 and $4 215 in the small-sized enterprises, $189 412 and $74 268 in the medium-sized enterprises and $901 961 and $69 074 in the large-sized enterprises. The medium-sized enterprises have highest economic rantability (17.03%) followed by the large (5.43%) and small-sized (2.33%) enterprises (P？0.01). Differences in the structural characteristics of existing enterprises directly affect their capacity usage rate and production efficiency