Cultivation

·

Review

Leftover Oyster Mushroom Substrate Works as Healthy Fish Feed

Leftover Oyster Mushroom Substrate Works as Healthy Fish Feed

Oyster mushroom

What they found

Spent oyster mushroom substrate can safely replace up to 20% of tilapia feed, improving survival and gut health.

Spent oyster mushroom substrate can safely replace up to 20% of tilapia feed, improving survival and gut health.

The number

up to 20% of traditional feed

How solid is it?

Animal

Animal

Evidence ladder: Lab dish → Animal → Early human → Strong human. Reviews summarize earlier research.

At a glance

Latin name

Pleurotus

Pleurotus

Compound

β-glucans

β-glucans

Published in

Latin American Journal of Aquatic Research

Latin American Journal of Aquatic Research

Covered in Shroom Scan

Section

GROWING & GOURMET

GROWING & GOURMET

As it ran in Shroom Scan

Tilapia Eats Mushrooms

Tilapia Eats Mushrooms

Spent oyster mushroom substrate (SOMS)—the leftover material from cultivating Pleurotus mushrooms—has emerged as a promising, bioactive feed ingredient for Nile tilapia (Oreochromis niloticus). Rich in β-glucans, antioxidants, and amino acids, SOMS offers both nutritional and immunostimulatory benefits. Studies show that SOMS can safely replace up to 20% of traditional feed, improving fish survival rates, gut health, and antioxidant response while promoting a circular food economy.

Spent oyster mushroom substrate (SOMS)—the leftover material from cultivating Pleurotus mushrooms—has emerged as a promising, bioactive feed ingredient for Nile tilapia (Oreochromis niloticus). Rich in β-glucans, antioxidants, and amino acids, SOMS offers both nutritional and immunostimulatory benefits. Studies show that SOMS can safely replace up to 20% of traditional feed, improving fish survival rates, gut health, and antioxidant response while promoting a circular food economy.

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