Technical Bulletins

Because we care about the success of your business, Troutlodge regularly publishes Technical Bulletins to help you maximize your business potential. These Technical Bulletins cover a variety of topics, and are prepared by Troutlodge's expert Technical Services team and outside consultants. The Bulletins are all designed to provide a clear, concise look at a topic relevant to your day-to-day operations and long-term business success. We welcome your ideas for future topics, so please click here to offer your suggestions.

Trout Farming Basics

What is a Rainbow Trout? - Trout Farming Basics
In farming Rainbow trout, it is important and interesting to understand the nature of the species and its origins both in the wild and as a domesticated species. This Technical Bulletin looks at the taxonomy, geographical and genetic origins, and the origins of Rainbow trout as a cultured species. In addition, it looks specifically at the origins and advantages of the Troutlodge stocks.
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Upwelling Hatching Jars - Trout Farming Basics
There are three primary methods used for hatching eyed trout eggs. This bulletin will focus on the use of upwelling hatching jars, which have grown in popularity in recent years thanks to their low costs, ease of use, and proven success. We look at the benefits, as well as the potential drawbacks, of this hatching method.
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Early Rearing: Optimum Ponding & Feeding Strategies - Trout Farming Basics
Early rearing practices for rainbow trout are extremely important for the success of any trout farming operation. Despite the long history of trout culture throughout the world, we often find that aquaculturists lack an understanding of the risk factors associated with this delicate stage in the trout life history. This Technical Bulletin looks at the best practices for first feeding and ponding of alevins after hatch-out.
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Fish Health

Developing a Comprehensive Aquatic Animal Health Plan - Fish Health
Developing and maintaining programs for assuring the good health of cultured animals is crucial for the efficient operation of any animal production operation, and is especially important in the aquatic environment associated with aquaculture production. The producer is often faced with a myriad of components to consider, many of which seem beyond his operational control. Reducing a program into its basic components eases the job, and is an important exercise for any aquaculture operator to consider.
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Bacterial Coldwater Disease - Fish Health
This technical bulletin focuses on Bacterial Coldwater Disease (Flavobacterium psychrophilum), an important and prevalent issue in fish health. The bulletin looks at the causes, distribution, symptoms, diagnostic techniques, prevention, treatment and control.
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IPN - Fish Health
Infectious pancreatic necrosis is one of the first described and most extensively studied diseases of fish. It has serious consequences when found on a fish farm, and farmers should do everything possible to avoid the introduction of this viral disease. This Technical Bulletin looks at the causes, distribution, clinical signs, diagnostic techniques, prevention, treatment, and control, among many other critical aspects covered.
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Improving Trout Farm Economics - Economics
A good objective, right? There is not a trout farmer in the world that would not like to see a higher amount on the profit line. The key to increasing your profits lies in understanding and controlling your costs. This Technical Bulletin examines the costs inherent to every trout farming operation and tries to identify ways that farmers can control costs and improve their profits.
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The Science of Genetics - Genetics
One of the most significant developments central to the success of modern agriculture has been the establishment of a strong foundation in genetics and breeding. Fundamental genetic research and the application of well-designed breeding schemes have been the major contributors responsible for the remarkable production gains observed in traditional agriculture over the last 50 years. This Technical Bulletin looks at how the science of genetics is being applied to salmonid aquaculture by companies like Troutlodge.
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Triploids in Aquaculture - Genetics
Triploid salmonids, also known as sterile or 3N, are an innovative product that provide fantastic benefits to many farmers. This Technical Bulletin examines the scientific nature of triploids, their application within aquaculture, and Troutlodge's role in the Research & Development of triploid eggs for salmonid aquaculture.
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Research & Development

Plant Based Diet Research - Research & Development
Every trout farmer knows that feed costs contribute a significant percentage of their annual total variable operating costs...Given the seemingly large economic advantage of utilizing plant protein sources, and the recent criticisms for continuing to increase pressure on wild fisheries for fishmeal production, why aren’t plant-based diets available and/or accepted for salmonids on a large commercial scale? This Technical Bulletin examines Research & Development work being conducted by Troutlodge that tries to answer this question.
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