A closer look at preconditioning: Mixing, residence time
During the aquafeed manufacturing process, preconditioning increases the moisture content and temperature of feed meal particles.
Freshwater prawn feed management
Scale of operation and production rates dictate freshwater prawn feed management. Although labor-intensive, monitoring consumption with feed trays increases efficiency.
CSIRO studies dry feeds for juvenile spiny lobsters
The Commonwealth Scientific and Industrial Research Organisation has researched pelleted dry feeds are palatable to juvenile tropical spiny lobsters.
Chemoattraction in aquatic feed management
The value of chemical stimulants to shrimp farming will come via reproducible methods to evaluate the efficacy of chemoattractants and feeding stimulants.
Antioxidants manage effects of oxidation on feeds, feed ingredients
Managing aquafeed quality from production of feed ingredients through manufacture, grow-out and processing is key in consistent, high-quality production.
Extrusion processing of aquatic feeds, Part 2
In the aquaculture industry, extruders have been used to produce a great variety of products, but today most of these feeds fall into the sinking or floating categories.
MHA supplementation in soy-based diets improves performance of rainbow trout
Methionine hydroxy analog (MHA) supplementation and the addition of other amino acids in soybean-based trout diets can improve their nutritional values.
New-generation rotifer diets improve hatchery operations
Unlike artemia, which is largely a commodity item, rotifers need to be raised at farm sites and nutritionally tailored to the requirements of the species being cultured.
Extruded shrimp feeds reemerge
The process for making extruded shrimp feeds has flexibility to produce diets with a wide range of fat levels, densities, shapes and sizes.
Extrusion processing of aquatic feeds, Part 1
Depending on the extrusion processing conditions and ingredients used, different products such as floating or sinking feed can be produced.
Feed color affects growth, feed utilization of Nile tilapia
Experiment evaluates effects of feed color on the growth and survival of Nile tilapia fingerlings reared in a recirculating system.
Best management practices for salmon feeds
BMPs for salmon feed manufacturers cover formulation and evaluation of ingredients, while farmers should focus on amount, frequency and delivery of feed.
Inline quality assurance, part 3
In the pelleting cost center, the ingredient mixture is placed in a holding bin above the pellet mill until it is pelleted.
Thraustochytrids: Potential DHA source for marine fish nutrition
In the ongoing challenge of developing larval feeds for aquaculture, thraustochytrids – nonphotosynthetic, heterotrophic marine organisms – have potential as a source of fatty acids.
Inline quality assurance, part 2
The mixing cost center is the heart of the feed-manufacturing process. It is critical that it is under strict quality assurance guidelines.
Growth trials study feeding frequency in shrimp
Feeding frequency is a key part of feed management. Distributing a daily ration as multiple feedings improves growth and improves water quality.