Fish

Soybean oil in tilapia finishing diets may boost fish growth
Soybean oil in tilapia finishing diets may boost fish growth

Supplementing finishing diets for farmed tilapia with soybean oil may boost fish growth and the nutritional value of products generated, researchers say.

The stage is set to solve the riddle of the brown trout
The stage is set to solve the riddle of the brown trout

The debate over whether brown trout (Salmo trutta) constitute a single species or several may soon be resolved, following the completion of the brown trout

What’s salmon feed really made of?
What’s salmon feed really made of?

A new report shows that between 2012 and 2016 an increasing amount of terrestrial raw materials are used in salmon feeds.

Propolis extract may boost Nile tilapia survival in cold conditions
Propolis extract may boost Nile tilapia survival in cold conditions

Supplementing Nile tilapia diets with propolis extract may improve fish survival and growth during cold stress conditions, say researchers.

The fish feed that grows on trees
The fish feed that grows on trees

A series of new studies suggest that a form of protein extracted from wood has significant potential as a replacement for fishmeal in aquafeeds.

Hybrid tilapia culture in an outdoor biofloc production system
Hybrid tilapia culture in an outdoor biofloc production system

Tilapia can consume this microbial biomass, which can substitute for protein in the formulated ration, thereby increasing overall efficiency of protein

Time to compare: which diet leads to lower feed costs in farmed salmon?
Time to compare: which diet leads to lower feed costs in farmed…

A new study has compared the feed cost differences between high-fat and high-protein diets used in salmon farming and finds that high-protein diets

Arbiom: Trials support wood to feed protein’s candidature as fishmeal substitute
Arbiom: Trials support wood to feed protein’s candidature as fishmeal substitute

Biotechnology company, Arbiom, has provided additional details on results from fish feed and functionality trials of its wood-to-food protein ingredient

Why biosecurity is the best defence against tilapia lake virus
Why biosecurity is the best defence against tilapia lake virus

The first confirmed case of tilapia lake virus (TiLV) in the USA emphasises the need for producers to ensure biosecurity is a top priority

Virus linked to mass tilapia mortalities on Lake Volta
Virus linked to mass tilapia mortalities on Lake Volta

A new suspect has emerged in the search for the causes of the massive disease outbreak that has been affecting tilapia on Lake Volta in Ghana.

Taurine in farmed yellowtail diets may boost reproduction, survival
Taurine in farmed yellowtail diets may boost reproduction, survival

Supplemental taurine in farmed yellowtail diets may increase spawning rate, total egg production and improve young fish’s survival rate, say researchers.

Rediscovering remedies: new methods for treating velvet disease
Rediscovering remedies: new methods for treating velvet disease

As EU countries consider banning many chemical therapeutants used in fish farming, researchers suggest using humic substances and hydrogen peroxide sustainable

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