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Matteo Calligaris likes the comment:
Hello Denis Sinking and floating feed on a extruder depends mainly on the process parameters you are running. Expansion on the feed depends on the temperature and pressure at the die. The higher the temperature and pressure at the die the more expansion. For a shrimp feed for example you want to be below 100 degr. C at the die and therefore the product will not expand due to the fact that the wate ...
Matteo Calligaris likes this technical article:
IntroductionCommercial egg production is associated with various stresses decreasing productive and reproductive performance of layers. It is proven that most of stresses in poultry production (technological: chick placement, vaccinations and transfer to breeder houses; environmental: heat stress, high ammonia, etc.; nutritional: mycotoxins, misbalances of vitamins, minerals, amino acids, etc.; or ...
Matteo Calligaris likes the comment:
1. Hot summer limit the oxygen dissolved in the water even you add more paddle wheels it will not work effective as partial covering by orchis mesh - farmers has started partial cover of the ponds in the hot season instead of adding more paddle wheels.2. After big raining the algae collapsed that resulted in exhausted DO in the bottom and favorable pathogen bacteria bloom plus stressful from pH, s ...
Matteo Calligaris likes the comment:
IMTA has arisen from the control of nutrients from sea farm fish cages to mitigate pollution I would rather my seaweed was grow in pristine waters well away from polling fish farms. I have some idea that seaweeds will take up more than just nutrients from polluted waters but other elements of fish farm pollution that are present. I would like to see papers on this subject matter for better clarifi ...
Matteo Calligaris likes this technical article:
 Seaweed cultivation is well established in Asia and needs little explanation/justification. In the western world, a renewed interest in seaweed mariculture has been triggered by their cultivation in integrated multi-trophic aquaculture (IMTA) systems, the emerging understanding of the ecosystem services they provide (e.g. nutrient biomitigation, irrigation-less and deforestation-less food pr ...
Matteo Calligaris likes the video:
Álvaro Rodríguez, Manager Director for Aquaculture for Liptosa, talks about the company's participation at Eurotier 2016 and the line of products they offer to the Aquaculture market.
Matteo Calligaris likes the comment:
Extrusion is very effective for this purpose. Our company produce quality equipment. We make sales in more than 40 countries. We kindly ask you to see our web-page www.bronto.ua
Participation in Forum on December 27, 2016
Dear Denis, Unfortunately I found your mail in late but I answered you. Regards Matteo
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Participation in Forum on December 20, 2016
Dear Denis, Sorry for my late in answer you. Could you write me to this address please? mattucel@gmail.com Regards
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Participation in Forum on December 16, 2016
It's not difficult ro produce a sinking feed, but it depend on formulation and extrusion parameters... You should give more datailes
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Location:Italy
Profile: Businessman / entrepreneur / shareholders
Occupation: Fish Nutritionist and Aquaculture Consultant
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