The effect of feeding frequency on growth performance and feed conversion rate of Black Sea Trout (Salmo trutta labrax Pallas, 1811)

Anahtar Kelimeler:

yem çevirimi, Karadeniz, kültür balığı, balık beslenmesi, alabalık, Salmo trutta, Türkiye, yemleme sıklığı, yem tüketimi

Growth, feed consumption and conversion ratios of Black Sea trout (Salmo trutta labrax Pallas, 1811) subjected to daily feeding frequencies were evaluated. The trial performed using 360 fish with a mean weight of 155.9±31.56 g was sampled, counted and divided equally to nine tanks. The three treatments (namely, daily feeding frequencies of one - F1, two - F2 and three - F3) were each applied to three tanks. Mean live weights of the fish in trial groups reached 201.7±3.42 g, 202.7±3.18 g and 217.6±2.54 g at the end of the trial in groups F1, F2 and F3, respectively. Growth data indicated that, the final live weight and SGR values of group F3 were significantly higher than those of the other groups (P<0.01). The best (lowest) mean FCR was obtained from once daily feeding (F1) (P<0.05). Condition factors (CF) showed similar values. It seems that, Black Sea trout fed once a day grow lower than those fed two or three times a day, but FCR was the best than the other groups.

Keywords:

feed conversion, Black Sea, fish culture, fish feeding, trout, Salmo trutta, Turkey, feeding frequency, feed consumption,

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