Effect of Mealworm (Ternebrio molitor) Meal in Practical Diets on Growth Performance, Feed Utilization and Carcass Composition of Climbing Perch Fingerlings (Anabas testudineus)

  • W. Nalinanon Program of Fishery Science and Aquatic Resources, King Mongkut’s Institute of Technology Ladkrabang, Prince of Chumphon Campus, Thailand
  • S. Lerdsuwan Program of Animal Science, King Mongkut’s Institute of Technology Ladkrabang, Prince of Chumphon Campus, Thailand
  • D. Pisuttharachai Program of Fishery Science and Aquatic Resources, King Mongkut’s Institute of Technology Ladkrabang, Prince of Chumphon Campus, Thailand
Keywords: Mealworm, growth performance, feed utilization, Anabas testudineus

Abstract

The Climbing Perch (Anabas testudineus), a tropical freshwater fish, was chosen as a candidate for commercial inland aquaculture. Two separate 12-week feeding trials were conducted to evaluate the use of mealworm, Tenebrio molitor, as an alternative protein source for A. testudineus. In Experiment 1, fingerlings of A. testudineus 8.6 + 0.1 g were acclimated to laboratory conditions for a period of 2 weeks. Five isonitrogenous (30% crude protein) and isoenergetic (4,000 Kcal/Kg) practical diets were formulated. The fish meal component of the diets was progressively substituted at 0, 12.5, 25, 37.5, and 50% with mealworm meal. The diets were fed to triplicate groups of 20 fish twice a day to apparent satiation. Growth performance and feed utilization efficiency of A. testudineus fed diets with up to 25% replacement of fish meal with worm meal were not significantly different (P>0.05) in FCR, PER and NPU as 1.51±0.09, 2.22±0.14 and 34.06±1.05% respectively compared to fish fed the control diet. Worm meal in the experimental diets of caused a significant (p<0.05) increase in whole body lipid and decrease in moisture at all levels of worm meal incorporation. Treatment 4 (37.5% worm meal) was the highest in whole body lipid as 9.50±0.82 % and treatment 5 (50% worm meal) was the lowest in moisture as 70.45±1.76 %. In Experiment 2, fingerlings of A. testudineus 15.2+0.12 g were acclimated to laboratory conditions for a period of 2 weeks. The nutritive value of mealworms was compared with a commercial catfish pellet. Five dietary treatments consisting of fish fed catfish pellets only, mealworms (25) /catfish pellet (75) combination, mealworms (50) /catfish pellet (50) combination, mealworms (75) /catfish pellet (25) combination and mealworms only were tested. A. testudineus fed mealworms (50) /catfish pellet (50) combination displayed the best in specific growth rate as 2.61±0.10 than A. testudineus fed catfish pellets only.

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Published
2021-05-05
How to Cite
Nalinanon, W., Lerdsuwan, S., & Pisuttharachai, D. (2021). Effect of Mealworm (Ternebrio molitor) Meal in Practical Diets on Growth Performance, Feed Utilization and Carcass Composition of Climbing Perch Fingerlings (Anabas testudineus). Proceedings International Conference on Fisheries and Aquaculture, 6(1), 29-37. https://doi.org/10.17501/23861282.2020.6104