EFFECT OF ADDING ROCKET SEEDS (ERUCA SATIVA) POWDER TO DIETS OF NILE TILAPIA BROODSTOCK IN CONCRETE PONDS ON PRODUCTIVE, REPRODUCTIVE PERFORMANCE AND SOME PHYSIOLOGICAL ASPECTS

Ahmed A.A. Ali

Fish Physiology and hatchery Department, Central Laboratory for Aquaculture Research, Agricultural Research Center,
Ministry of Agriculture, Egypt.

Abstract

The present study were conducted to evaluate the effect of dietary graded levels0, 1, 2, 3 and 4% Rocket seed (Eruca sativa) on the reproductive performance, feed utilization, and some physiological parameters of Nile tilapia, Oreochromis niloticus broodstock for 75 days. A total of 480 broodstock O.niloticus with an average initial body weight of 219.7±0.153 g were randomly distributed into five treatments T0, T1, T2, T3 and T4. Results revealed that T4 was the best treatments for number of fry produced than other treatment and different significantly than control treatment (T0). Regarding broodstock growth performance the results showed that T3 and T4 were significantly improved (P≤0.05) than other treatments. For blood hematological and biochemical parameters among all treatments dietary Rocket seed gave the best results compared to control treatment. Thus, it is recommended that the inclusion of 4 % seed (T4) as feed additives for broodstock are more useful for improving their growth performance, feed utilization, reproductive performance and physiological responses.