Probiotics 

Definition in human health and land-based agriculture: microorganisms that can control populations of potential pathogens through competitive exclusion (food and space).  Intensive shrimp culture is frequently depressed by diseases, due to bacteria (Vibrio spp.) and viruses (WSSV, YHV.Taurus virus). The high stocking density of animals is conducive to the spread of pathogens, and the use of high-protein feed makes aquatic environments ideal for bacterial growth.  Farmers apply therapeutic chemicals, e.g. antibiotics, to eliminate the pathogens, but leave the underlying cause unsolved.  When used as prophylactics in large quantities antibiotics lead to the selection of antibiotic resistance bacteria and to the more virulent pathogens.  Shrimps that are not stressed by poor quality may succumb to microbial attack.  Probiotics appear an alternative remedy for disease control.

Successful aquaculture operations rely on effective interaction of the aquatic environment, cultured animals and microorganisms.  Probiotics are found effective in complementing mechanical aeration devices to maintain adequate DO levels in heavily loaded hatchery tanks and culture ponds.  In aquaculture systems the cultured animals interact with complex aquatic environments closely:  photosynthetic oxygen production and BOD fluctuate from dawn to afternoon in a day and in different seasons; shrimps feed and ret on or in the sediment, etc.  The use of Probiotics in aquaculture industry is, therefore, attempted to manipulate the factors that affect the interrelationship between the cultured organisms and the environment and achieve high production.

NATURE POWER for aquaculture, usually in form of a mixture of several species and strains:

What can Nature Power do in aquaculture?

1.       Improve water quality and pond sediment:

·          Reduce organic matter in water and sediment

·          Decrease BOD

·          Decrease COD

·          Remove toxic substances, e.g. ammonia, nitrite, and sulfide.

·          Increase DO

2.       Inhibit growth and proliferation of pathogenic bacteria. Viruses and protozoa

3.       Prevent diseases

4.       Promote growth and raise survival of the culture species.

5.       When added to feedstuff:

·          Displace deleterious bacteria in gastrointestinal tracts.

·          Change bacterial composition in guts.

·          Inhibit the growth and activity of harmful bacteria.

·          Improve nutrient absorption.

·          Enhance immunity and increase resistance to disease..

DOSAGE AND APPLICATION

1.       Before NATURE POWER is applied to the pond, pond water transparency should be lower than 20cm.  To increase the water transparency by producing more plankton.  Application of   NATURE POWER is available both in the daytime and night time.

2.       Dissolve NATURE POWER completely in a container of pond water and broadcast evenly in the pond.  The DOSAGE should be 10 kgs. Of NATURE POWER per hectare-pond at one meter water depth.  Application frequency should be once for every 15 days.

3.       Proportionately adjust the dosage of NATURE POWER if the water level is higher or lower than one meter depth.  Proportionately adjust the dosage of NATURE POWER if the stocking density is higher or lower than 15/25-shrimps/square meter.