Fussy eating prawn…….operational expense reductions….

Shrimp feed conversion rates in the Middle East are at 1.8 with shrimp culture waters being commented on as having possibly too high a natural productivity. Delivery method of feed in KSA is mainly by blowers.

Pond side blower technology testing 1983. Recommendation was to stop using blowers

….because 10 – 15% of pelleted compound feed got beaten up with quite a bit of fines.

Always considered shrimp feed given into pond as having a % considered as fertilizer. With fertilizer SOP’s having to be adjusted accordingly.

The largest expense has to be reduced without affecting performance of biomass productivity. This does not mean cheapening shrimp feed but it means making it stretch that bit further.

15% of 1.8 would bring FCR down to a reasonable industry FCR level.

Also save 300g of feed for every kg shrimp exported. Work out your savings.

Or even help produce 15% more with same feed volume consumption per year.

Of course its also about how to feed now? Feed trays are more efficient. Robotic in pond feeders of course then!

The prawn of tomorrow…

IoT and AI is not just about robotic feeding systems.

One day perhaps we will see bespoke feed mixes made to adjust to conditions on specific wired up shrimp farms…..

The Economist | The cow of tomorrow https://www.economist.com/technology-quarterly/2019/09/12/sensors-and-ai-are-finding-their-way-into-the-barnyard?frsc=dg%7Ce

Laser-induced sound pinging (LISP): A rapid photoacoustic method to determine the speed of sound in microliter fluid volumes

Potentially useful for future shrimp aquaculture parameter measurements and even in food safety…


BBC News: Temperature maps from space would ‘boost crop production’.

BBC News – Temperature maps from space would ‘boost crop production’

What – EU does not have this already in place? Or is this a fund raising exercise? 

Back in the 1980s and in South America we had access to NASA satellite pictures of our shrimp ponds in Ecuador. Idea was to use color and heat signature of 30 hectare ponds to calculate water/feed requirements – with feeding by modified crop duster plane and water exchange capabilities for pond algal growth.

It was too expensive and anyway better to have on ground analysis for rapid response – especially in proactive preventative pond culture husbandry. Yes shrimp farming was about growing and maintaining algal blooms in those days and efficiencies on fertilizers and water exchanges. Uneaten feed acted as fertilizer as well. 

This UK announce project seems to be using NASA technology also.

With the advent of agTech localized drones I wonder if this is really necessary for crop production and management. 

Independent Robotics – Aqua2 Robots

This is the kit for aquaculture…..imagine…

….video, sampling, corralling fish, harvesting, repair work….

…once it gets cheaper maybe!


Prawntastic – polyculture and biodiversity

Practiced for millennia. 

Back in the day when we were starting up Western aquaculture IMTA used to be called poly-culture.  The FAO promotes this big time in developing countries.

Growing shrimp (or marine insects) in ponds in the tropics has always meant managing biodiversity in the ponds. Algae and bacteria being the majors primary cultures that need to be managed to get the end product out. Yes shrimp is just the sum of these cultures as a centre of the plate protein offering for end consumers. After all cannot serve up algae and bacteria (yet). Algal/bacterial culture technology is something that we had to develop and grow in tandem with shrimp aquaculture.

Indoor RAS technology has meant that one can remove all externalities and concentrate on direct feed conversion. No more worrying about managing and growing a population lower down the food chain to grow one further up the food chain. However it has its own problems too including how to scrub the discharges. 

The move of the aquaponics concept, using RAS technology developed over 30 years ago in Europe, to urban USA has meant a re-naming to something more scientific high level and tech sounding. Polyculture is just not sexy enough and brings to mind extensive outdoor systems in developing countries. This just does not tickle investors.

Promoting biodiversity in Brooklyn for local markets

Of course this is great technology, is sexy and feeds into latest food production concepts (local, circular economy, IoT, zero antibiotics, sustainability, etc, etc) and is advancing on many fronts in many countries.

BUT it is still extremely niche and will not help solve the feeding of the near future population growth on this planet. It is riding on the coattails of mono-culture aquaculture which, as a non-peaked resource can and has helped to date to offset a stagnant peaked resource that is fishing – you all have the graphs.

Perhaps IMTA will really go mainstream by 2050 once our population has peaked and we have covered the planetary food security issue, and increased healthy seafood consumption while, with stewardship, protected the oceans from further pillage.

Until 2050 then…..although, by then, we will probably be eating shrimpless shrimp made from algae or bacteria directly!

Water Quality Monitoring Kit for aquaculture – investors pledge $30m


Covers 7 parameters in almost real time.

SE Asian shrimp farmers impressed.

More details required on feed trials, costs and benefits.