Archive for the ‘Hatchery R&D’ Category


European Researchers hit Tuna Spawning Bonanza!!!

July 23rd, 2009 by Andrew

Two EU funded research projects have  both simultaneously produced  millions of Tuna eggs after artificial induction of captive fish  in  sea cages  in the Mediterranean.

In the  SELFDOTT project (From capture based to SELF-sustained aquaculture and Domestication of bluefin tuna, Thunnus thynnus), daily spawnings consisting of  more than 140 million eggs have been obtained at the project´s installations in Cartagena (Spain), which are managed by the Tuna Graso company, with a maximum of 34 million eggs on Friday 3rd July, a figure which has never been achieved in previous projects.

The second project  ALLOTUNA based in Calabria and funded by the region Puglia at the Mare Nostrum facilities were able to produce up to a total of 46 million eggs over a number of days and  reproduce for a second year running viable quantities of eggs for international hatcheries.

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Industrial Biotechnology and Aquaculture

December 3rd, 2008 by Andrew

One of the key facts emerging about the practice of open innovation is that the vast majority of significant innovation advances derive from applying insights already known in one field application to a field of application where the insight has not previously been used.

To test this insight I decided to investigate a hot field of inventive activity unrelated to fishing or aquaculture. According to an October 2008 report from the Office of Industries of the US International Trade Commission industrial biotechnology is an emerging field of biotechnology characterized by the use of enzymes, microorganisms, and other biocatalysts to create new products.

The report: may be accessed here Patenting Trends and Innovation in Industrial Biotechnology.  

To test the notion stated at the commencement of the post I reviewed the patent portfolios of some of the most active patenting companies to determine their relevance to aquaculture.

Novozymes is a producer of enzymes and micro-organisms for pharmaceutical and industrial uses. The company was founded in Denmark as a medical firm in 1925 and began producing enzymes for industrial use (for the softening of leather) in 1941. Novozymes has production and research facilities in Australia, Brazil, China, Denmark, Sweden, the United States, and the United Kingdom, and research facilities in India. 

While the largest share of Novozymes’ revenue comes from detergent enzymes, in the last few years, sales of technical enzymes, such as those that convert starch to sugars for the production of ethanol, have grown at a faster pace and are now almost equal to the company’s sales of detergent enzymes.

In 2007, Novozymes had revenue of $1.54 billion, net income of $213 million, and about 4,700 employees. Novozymes’ strong revenue and net income growth over the period have enabled growing R&D expenditures, which increased from $138.0 million in 2001 to $202.6 million in 2007.

The strategy for the future growth of the company is to expand the market for enzymes by producing new products, and new applications for current products, through substantial R&D efforts.

The report is valuable because on page 4-6 Figure 4.3 it broadly outlines the scope of the Novozymes patent portfolio as consisting of:

“an estimated 334 patents, and has pending an estimated 447 patent applications with the USPTO for the 1997–2007 period” 

Given this, we can assume that Novozymes has gained a thorough appreciation of the business of innovation and the role of intellectual property protection.

To test the notion that Novozymes might have IP valuable in aquaculture I determined to use the superficial approach of seeing whether the term ‘aquaculture’ was used in any of their patents.  I used the free patent search feature at Free Patents Online. Many other more sophisticated patent analytics tools exist to enable such investigations.

First I decided to investigate how many patents and patent applications were linked to Novozymes as an Assignee – 937 for US granted patents and applications.

I then searched for the word ‘aquaculture’ in all patent documents where Novozymes were identified as the assignee using the search string:  AN/novozymes AND ABST/aquaculture to determine how many Novozymes patents anticipate application in the field of aquaculture. 

The result is available here. Novozymes has identified bacteria which are more effective at removing ammonia and nitrite than the commonly used bacteria. Novoezymes present their product information here.

It would be interesting to judge the performance of this consortium of nitrifying bacteria on some inert media for removal of nitrates and ammonia for RAS systems.


Algal Paste to improve tank fed fish larvae

November 17th, 2008 by Andrew

Here’s a company in Canada who culture an Algal Paste which can be used for improving the development of early stage larval marine fish being cultivated in tanks;

http://www.innovativeaqua.com/

Greenwater Formula

Green water formula, Nannochloropsis oculata (2µ), is used in the culture of early stage larval marine fish. Our Green water formula is designed to create diffuse light conditions for the first feeding of larval marine fish. Not only does it help to initiate first-feeding, it has acted to promote schooling activity and alleviate the problems associated with “nose-banging”. Its’ great fatty acid profile also means quality food available to rotifers in the tank. Cell densities are approximately 30 billion cells per ml. of paste.

This Algae’s positive uses are supported in the following report -

Green water: Optical rather than nutritional effect. pp. 266-269.

Marliave, J.B. 1994.
1994 AZA Conference Proceedings, Atlanta, GA

Where the author finds, “the halibut larvae in clear water concentrated at the water surface and near the tank walls, whereas in green water the larvae spent most of the time in the water column, searching for prey.”

and, “In clear water, larval hexagrammids tended to swim cross-current into tank walls, and showed poor survival rates. The use of algae paste to reduce visibility resulted in slower swimming, active feeding and formation of schools, with higher survival rates”

Given the need to find alternative sources of food and better methods of cultivation I found this innovation quite interesting.

Sean

 


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