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Participation in Forum on January 26, 2013
Dear All, Thanks for all the info provided. Currently we are researching in developing floating and slow sinking feeds for ornamental fishes. Regards jayaraj
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Participation in Forum on May 30, 2012
I do not know about the type of phytase that is being employed in the fish feed industry. But it is worth for use in tropical fish diets. However, when it comes to temperate fish diets and use of phytase, I am unware of its efficiency. If the phytase is to be active it is the pH that is imporatant and hardly any difference exist between the phytase manufatured by dffferent companies. Some are acti ...
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Participation in Forum on May 29, 2012
The phytase is generally derived from microbes and thus is commercially available as "microbial phytase". The strength may very but each company specifies the standard. There isnot much variation and safe to use in all farm animals.
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Participation in Forum on May 28, 2012
Some fish feed industries in India are incorporating phytase, but never ever they admit openly in their formulations to maintain secrecy. Our studies have shown incorporation of phytase at 1% maintains good water quality and reduced phosphorus loading in to the system.
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Participation in Forum on May 7, 2012
Which feed ingredients are best for making floating fish feeds for ornamental fishes?. What should be the particle size of ingredients for extrusion process? We have recently procured Twin screw extruder (Chinese make) a lab model with 30 kg/hour capacity.
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Participation in Forum on January 2, 2012
Most of the plant ingredients used in fish feed formulations contain phytates and phytic acids that contain high amount of phosphorus locked up in them. This phosphorus can be extracted up on involvement of enzyme phytase. This enzyme is not produced by the fish and thus phytates and phytic acids enter the pond ecosytem which are in turn degraded by the action of enzyme phytase produced by the mic ...
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Participation in Forum on November 8, 2011
Hello Dr. Luckstadt Thanks for the beautiful info that you are providing on the use of organic acids in animal feeds. Recently, we have conducted trails on the use of lactic acid for growth and health monitoring in rohu fish (L.rohita). We have tried at 1%, 2% and 3% incorporation levels. 3% level was found be best in giving highest specific growth rate and super oxide anion production as indic ...
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Participation in Forum on April 29, 2010
Hi, Interesting article about aquaponics We have been working on to develop a aquaponics system for propagation of ornamental aquatic plants. Our preliminary studies in a fish based system with live bearers like guppy, platy, molly, sword tail with Vallisneria (male) plants has given encouraging results. No additional fertilizers or any kind of manure was given and the system was entirely depende ...
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Participation in Forum on November 13, 2009
A highly interesting article, it is true fish meal has become indispensable ingredient in fish diets. Many efforts have been done to replace the fish meal, but in vain as it contain certain unidentified growth promoting factors. Fish proteins are easily digestible and cause less impact on the water quality as against to plant proteins. The usage in marine fish farming, crustacean nutrition and sal ...
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Participation in Forum on December 12, 2008
Good article about the effects of dietary organic acids in fish nutrition. Highly interesting and requires further investigations to prove their beneficial role for growth and health.
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Location:Mangalore, Karnataka, India
Profile: Academic / scientific
Occupation: Animal Nutritionist
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