Fish

Thứ 7, 11/01/2025

Supplemental selenium boosts plant-based aquafeed

Adding selenium to plant-based fishmeal may improve growth, performance of farmed seabass. Supplemental selenium boosts plant-based aquafeed

Fish

Encapsulated yeast strain could boost immune response in fish

Fish fed the encapsulated diet had the largest weight gain and growth rate, said the researchers. That group also had the lowest feed conversion ratio.

Probiotics may offer Atlantic salmon, trout protection against cold-water disease

A probiotic treatment may help protect salmonid species from cold-water disease. Probiotic protection also may offer a way to reduce the use of antibiotics

A better way to do aquaponics

The traditional aquaponics single-unit system disadvantages the fish, the plants or both. Now might be the right time to rethink the design.

Fish farming – coping with heat

An increase in water temperature means a depletion in oxygen levels. How do tunnel-based fish farms cope with extreme heat and ensure that fish receive

How to start your own aquaculture business – Part 3

In the last two articles, we examined the road to be taken by starter fish farmers with little or no experience.

How to start your own aquaculture business – part 2

In this second instalment of our series on launching an aquaculture business, we look at what steps to follow once a beginner has secured a basic knowledge

Seaweed supplementation said to boost immunity in fish

Adding supplemental seaweed to farmed fish diets could boost immune functioning and antioxidant responses.

Pond Construction: Some Practical Considerations

Conservative estimates place the correct number of farm ponds in Virginia at over 50,000. These ponds range in size from less than one acre to over 30 acres in

How to Build a Farm Pond

Farmers build ponds for many reasons: Irrigation, water for livestock, fire protection, erosion control, aquaculture, wildlife value, recreation and aesthetics

The limits of stocking rates for aquaculture

In almost every form of aquaculture, stocking rates are invariably higher than those found in nature. Fish are confined at high density in a small space

What does heat stress mean for tilapia’s copper needs?

No additional copper supplementation is needed for Nile tilapia raised in heat stress conditions, What does heat stress mean for tilapia’s copper needs