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Effects of Fish Meal Replaced by Maggot Culture on Growth Performance, Body Composition, and Antioxidant Responses of Hybrid Tilapia (Oreochromis niloticus × O. aureus)
|Title:||Effects of Fish Meal Replaced by Maggot Culture on Growth Performance, Body Composition, and Antioxidant Responses of Hybrid Tilapia (Oreochromis niloticus × O. aureus)|
|Keywords:||Oreochromis niloticus × O. aureus|
fish meal replacement
|Publisher:||The Israeli Journal of Aquaculture - Bamidgeh|
|Abstract:||This present study was conducted to evaluate the effects of replacing fish meal with maggot culture, on growth performance, body composition, and antioxidant enzyme activity in hybrid tilapia (Oreochromis niloticus × O. aureus). Five isonitrogenous and isoenergetic diets were formulated to contain graded levels of maggot culture (0%, 1%, 2%, 4% and 5%), which replaced 0% (the control), 20%, 40%, 80% and 100% fish meal, respectively. Each diet was randomly fed to triplicate groups of 30 hybrid tilapia (initial mean body weight: 2.12 ± 0.01g) per tank for 8 weeks. Fish were fed to satiation twice daily (08:00 and 16:00). Results showed that the inclusion of maggot culture did not significantly influence survival, weight gain, feed conversion rate, and morphological parameters of tilapia. Catalase and superoxide dismutase activity were not significantly affected by the supplementation of maggot culture. Also, the inclusion of maggot culture did not significantly influence moisture, protein, lipid, and ash contents of whole body and muscle. Based on these above observations, fish meal could be totally replaced by maggot culture without a negative influence on growth performance, body composition, and antioxidant capability in hybrid tilapia.|
|Appears in Collections:||
Volume 71, 2019|
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