Abstract

ABSTRACT Skin coloration and immune status are the most valued characteristics when raising Betta splendens. We evaluated the effects of enriching a cladoceran diet with Pleurotus ostreatus or P. djamor mushroom powder on coloration, response to induced injury, and growth of B. splendens. Seventeen fish per treatment (weight 0.60 ± 0.2 g) were assigned to three diets: Cladoceran powder (CP), CP enriched with P. ostreatus mushroom powder (CP + PO), and CP enriched with P. djamor mushroom powder (CP + PD). We evaluated color intensity, responses to induced injury, growth and condition factor (K) with each diet. We found that skin coloration and response to induced injury were improved with mushroom-supplemented diets. Body length and weight were higher with CP, while K was higher with CP and CP + PD diets (K = 3.29 and 2.66, respectively) than with CP + PO (K = 1.82). Our results contribute insights into the benefits of mushroom-supplemented diets for enhancing aquaculture.

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