News features and technical articles about the evolution of aquaculture, one of the world’s fastest growing industries.

byproduct

Innovation & Investment

When Perch Met Pale Ale: A nothing-goes-to-waste love story

A unique joint venture is bringing a land-based recirculating aquaculture system to a farming community near Lake Erie. It’s a wastewater treatment program that aims to provide a sustainable food source for the local community.  

Intelligence

Byproduct utilization for increased profitability, part 1

Protease enzymes are important industrial enzymes that have diverse applications in food, leather, silk and the agrichemical and pharmaceutical industries. Fish are considered one of the richest sources of proteolytic enzymes. 

Intelligence

Byproduct utilization for increased profitability, part 3

Fish protein hydrolysates obtained from fish-processing wastes can be used to make valuable ingredients for the food and healthcare industries. Hydrolysates are produced from fish muscle and viscera through an autolytic process by endogenous enzymes or an accelerated method using 

Intelligence

Byproduct utilization for increased profitability, part 4

Protein hydrolysates can be produced by acid, base or enzymatic hydrolysis processes. Acid hydrolysis produces salt that makes the product unsuitable for food and destroys some essential amino acids. An optimum process for one fish or shellfish by-product may not 

Intelligence

Byproduct utilization for increased profitability, part 5

Fish protein hydrolysates have been used in the food industry for the development of antioxidants, emulsifiers, flavoring agents, anti-bacterial agents and feed. As natural products, they have a growing acceptance, since natural products are preferred by some consumers over industrial 

Health & Welfare

Plant, poultry byproduct proteins tested in shrimp diets

A study examined the replacement of poultry byproduct meal with plant proteins and low levels of squid meal in shrimp feeds. Production results for shrimp raised in ponds showed no significant difference in final weight, yield, FCR and survival among