INVE SELCO S.PRESSO
S.presso is a liquid enrichment product for rotifers and Artemia. Formulated with the finest and sustainable raw materials, developed based on advanced knowledge on marine fish larvae nutritional needs.
Product Description
S.presso is a liquid enrichment product for rotifers and Artemia. Formulated with the finest and sustainable raw materials, developed based on advanced knowledge on marine fish larvae nutritional needs.
The product itself is a suspension/emulsion. INVE Aquaculture developed this innovative technology as an update of the well known SELCO® emulsions in which liquid and insoluble particles are mixed. This guarantees an optimal intake of the various ingredients by rotifers and Artemia and to reach a DHA/EPA ratio above 7. S.presso is very flexible product that can be used for multiple enrichment strategies depending on your own protocols.
Features & Benefit
THE VERSATILE LIQUID LIVE FEED ENRICHMENT
- LIQUID ENRICHMENT FOR BOTH ARTEMIA AND ROTIFERS
- INNOVATIVE SUSPENSION-EMULSION TECHNOLOGY
- FORMULATED WITH THE HIGHEST QUALITY INGREDIENTS
MULTI-PURPOSE
One product for optimal enrichment of both Rotifer and Artemia
CLEAN
It creates an unpolluted environment ensuring perfectly clean enriched rotifers and Artemia nauplii
Use & Storage
PREPARING THE PRODUCT
Fill a container with lukewarm fresh water (35-40°C)
1. Slowly add the product to the water (max. 300 g/liter)
2. Blend for 3-5 minutes.
Apply according to your enrichment strategy.
INSTRUCTION FOR USE
TANK PREPARATION
- Clean and disinfect the enrichment tank, airstones and air tubing prior to use and rinse well.
- Disinfect the water of the tank with e.g. 10 ppm OCl- and aerate gently for ± 1 hour.
- Deactivate any remaining chlorine by adding 12 ppm sodiumthiosulphate.
OPTIMAL CONDITIONS
| Rotifers | Artemia | |
|---|---|---|
| Density (/ml) | 1000-2000 | 300-1000 |
| Salinity | 20-30 ppt | 25-40 ppt |
| Temperature | 25-27°C | 26-28°C |
| Oxygen | > 5 ppm. Use leaky pipe or fine bubble device |
|
| Aeration | medium-strong open tube to keep animals suspended |
|
ENRICHMENT - FOR ROTIFERS
Good to know before you start...
- Always gently harvest the rotifers in a filter bag to avoid physical stress.
- Make sure the rotifers are always submerged and avoid “splashing” in the filter.
- After harvest, rinse the rotifers using same water T°C as the culture tank.
- Enrich in a separate tank.
- First add the enrichment (or background feeding), then the rotifers.
- Use rotifer culture diet as background feeding if theenrichment exceeds the recommended duration.
Enrichment strategies
Short Enrichment (harvest after 6 hours)
Use up to 260 ppm of S.presso in 2 doses (T0 & T3) with a density of 1000 R/ml. doses must be fine-tuned according to, rotifer density, strain, and local conditions.
Standard Enrichment (harvest after 9-12 hours)
Use up to 260ppm of S.presso in 2 doses (T0 & T4) with a density of 1000 R/ml.
Long Enrichment (harvest after 20 hours
Use up to 2 x 130 g S.presso per m³, 4 and 8 hours before the harvest with a density of 1000 R/ml.
A background feeding with rotifer culture diet needs to be given every 6 hours prior to the start of enrichment (max. 2 background feedings).
ENRICHMENT - FOR ARTEMIA
Good to know before you start...
- Ensure tank and water are well disinfected
- Artemia can only be enriched from instar II 4-6 hours after hatching
- pH levels during enrichment must be 7.5-8.5
- INVE Aquaculture recommends the use of Sanocare® ACE in order to improve the quality of Artemia enrichment (for further information consult Tips & Tricks Artemia and water conditioner Technical card)
Enrichment strategies
Add 2 x 500 g S.presso per m³ (at T0 and T10) in the enrichment tank, containing up to 400 million npl/m³, or different dose for
higher densities. (consult table below)
Enrich for a period of 18 to 22 hours.
Harvest with the Concentrator-Rinser not later than T22.
| nauplii/ml | Amount of S.presso |
|---|---|
| up to 400 | 2 x 500 g/m³ |
| 700 | 2 x 900 g/m³ |
| 1000 | 2 x 1000 g/m³ |
Cold Storage
| Temperature | 5-8°C |
|---|---|
| Density | - Rotifer up to 20 million per liter - Nauplii up to 5million per liter |
| Oxygen | 4-6ppm (use soft point aeration and diffuser collar) |
| Salinity | 25-35ppt |
Available Packaging
S.presso is available in cardboard boxes of 9 x 1 kg bottles.
Storage/Shelf Life
The product should be stored in a cool, dry place (max. 10°C). Once opened, it should be used within one month, kept well closed when not used and stored in a refrigerator. Do not freeze. The shelf life is 24 months from date of manufacturing.
Technical Info
Typical Composition Guaranteed
| moisture | 58% |
|---|---|
| crude oils and fats | 35% |
| crude protein | 2% |
| crude ash | 0.2% |
| phosphorus | 0.2% |
| sodium | 0.2% |
| crude fibre | 0.1% |
| calcium | 0.1% |
| DHA | 260 mg/g dwt |
| EPA | 25 mg/g dwt |
Additives
Vitamins
| vit. A | 110,000 IU/kg |
|---|---|
| vit. D3 | 10,000 IU/kg |
Antioxidants
| BHA | 72 mg/kg |
|---|---|
| BHT | 72 mg/kg |
| propyl gallate | 100 mg/kg |
Customer Reviews
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