Sustainable Nutrition

05/07/2025

We just announced the availability of live Proales similis rotifers! For US Customers only. Live rotifers cannot survive the rigors of international shipment. For our non-US customers check out our saline-preserved Proales eggs!

Inoculate your Proales mass cultures with physiologically vigorous rotifers! Proales hatchlings are lab cultured and contaminant free. Ships to US locations only. For non-US check out our saline-preserved Proales eggs!

05/22/2024

50 years of experience with rotifers and larvae in a 50 page handbook. Get the first edition of our Guide to Rotifer Mass Culture here: https://cdn.shopify.com/s/files/1/0021/4843/3990/files/Rotifer_Handbook_1st_edition.pdf?v=1716307421

08/22/2022

Check our our lastest blog on zooplankton, rotifers and first live feeds. How to replicate zooplankton nutrients using only rotifers or artemia.

Many, if not most, aquatic animals first feeds are zooplankton consisting of phytoplankton, rotifers, copepods, artemia and other small arthropods. There is ample evidence that copepods and arthropods use lesser carotenoids found in zooplankton to assemble nature’s most powerful mitochondrial targ...

08/01/2022

Check our latest post responding to Time Magazine's thrashing of farmed salmon. The fixes are in.

Douglas Frantz (former managing editor of the LA Times and shared Pulitzer prizewinner) and his wife, Catherine Collins just published a blistering report on the farmed salmon industry in Time Magazine. Frantz and Collins called floating ocean-based salmon farms “an industrial imposter” constitu...

04/15/2022

Check out our lasted post on HPAI aka bird flu and the dietary differences between wild and domesticated fowl that create the ideal breeding grounds for new variants to emerge.

https://snextracts.com/blogs/news/highly-pathogenic-avian-influenza-us-posts-record-2022-loses-to-bird-flu

A newly arrived virus called Highly Pathogenic Avian Influenza (

04/07/2022

Congrats to my partners, Dr. Terry Snell and John Carberry for their latest publication in Nutrients by MPDI. Check it out!

Astaxanthin (ASX) is a natural product and one of the most powerful antioxidants known. It has significant effects on the metabolism of many animals, increasing fecundity, egg yolk volume, growth rates, immune responses, and disease resistance. A large part of the bioactivity of ASX is due to its ta...

03/06/2022

Check our our latest blog. Everything you want to know on how to set and control color in salmonoids.
https://snextracts.com/blogs/news/astaxanthin-as-a-colorant-in-salmonoid-populations

Astaxanthin is widely used as an additive in commercial salmon grow-out feeds as a colorant. This blog recaps current industry practices, wild salmon diets and concludes with results from our recent Amplifeed™ Topcoat trial showing salmon fan scores exceeding 30 is possible and economically practi...

01/26/2022

Check out our latest post covering what form of is nature's most powerful and how to deliver that compound where it does it's magic.

Astaxanthin, nature's most powerful antioxidant, was created 700M years ago by single cell lifeforms struggling to deal with reactive oxygen species (ROS) generated by their mitochondria. However, not all astaxanthin is created equally. This blog covers three topics: what form of astaxanthin works b...

12/15/2021

Our November 2020 Cohort is now 13 months post hatch and 700 grams. We started sampling for taste and color. Tastes like wild caught fish. Color is about a 32. Next up: gravlax and smoking some filet. Happy Holidays all.

11/28/2021

Latest blog on what we did to go through smoltification in 10 days.

by John Carberry- CO-CEO Sustainable Nutrition Inc. In June 2020 Sustainable Nutrition Inc.(“SN) together with its sister company, Sustainable Aquatics Inc (“SA”) began culturing its first cohort of Atlantic salmon triploids supplied by Benchmark Genetics, followed by a second cohort that hatc...

09/27/2021

Just in.. Amplifeed Topcoat helps Biofish with growth, color and survival rate.

Extracted from iLaks.no, 10 September, 21 https://ilaks.no/slik-bruker-borsferskingen-biofish-lys-for-a-sikre-bedre-tilvekst-pa-smolten/ Larger with Skattefunn Other measures taken under the BioFish concept are the use of natural astaxanthin in the early stages of life. In a collaborative project wi...

07/20/2021

Dr. Terry Snell on the immune system development and nutritional requirements of larval fish.

By: Dr. Terry Snell, Chief Science Advisor- Sustainable Nutrition Inc. Our sister company, Sustainable Aquatics Inc. operates a fish hatchery with over 120 recirculating aquatics systems (RAS) raising over 200 species of cold and warm water fish, including both marine ornamentals and Atlantic salmon...