RAS feed · Recipe no. 552
CLS 43/14 ExS Classic (swim)
RAS feed for African catfish. Fish weight 200 g–1.5 kg, pellet size 4.5–6.0 mm.

Illustration: AI-generated
- Crude protein
- 43.88%
- Crude fat
- 13.75%
- Pellet size: Diameter of the feed pellet in mm
- 4.5–6.0 mm
- Processing (ExS): extruded, floating
- extruded, floating
- achievable FCR: Feed conversion: kg feed per kg weight gain
- from 0.95
- Bag
- 20 kg
Under optimal conditions, according to the product sheet. Based on customer results and experience.
Description
- High-quality fishmeal: premium marine protein, ideal for growth.
- High share of animal protein: highly digestible, no protein concentrates.
- Floating and water-stable: feed intake you can see, less waste, clear water.
- Salmon oil: rich in omega-3 fatty acids for vitality.
- Very good feed conversion: FCR from 0.95, economical and environmentally friendly.
- Low crude fibre: only 1.26%, lower excretion, clean water.
FCR values under optimal conditions, according to the product sheet.

Feeding recommendation
Feeding rate in kg feed per 100 kg fish per day, by water temperature and fish weight. The optimum is marked.
200–500 g
2.1 kg per 100 kg fish per day2.3 kg per 100 kg fish per day2.4 kg per 100 kg fish per day2.2 kg per 100 kg fish per day
500–1,500 g
1.2 kg per 100 kg fish per day1.3 kg per 100 kg fish per day1.4 kg per 100 kg fish per day1.3 kg per 100 kg fish per day
Under optimal conditions, according to the product sheet. Based on customer results and experience.
Show full table
| Fish weight (g) | Pellet size (mm) | achievable FCR | 24 °C | 26 °C | 28 °C, Optimum according to the catalogue | 30 °C |
|---|---|---|---|---|---|---|
| 200–500 | 4.5 | 0.95 | 2.1 | 2.3 | 2.4 | 2.2 |
| 500–1,500 | 6 | 1.05 | 1.2 | 1.3 | 1.4 | 1.3 |
Under optimal conditions, according to the product sheet. Based on customer results and experience. Optimum according to the catalogue
| Fish weight (g) | Pellet size (mm) | achievable FCR | 24 °C | 26 °C | 28 °C, Optimum according to the catalogue | 30 °C |
|---|---|---|---|---|---|---|
| 200–500 | 4.5 | 0.95 | 2.1 | 2.3 | 2.4 | 2.2 |
| 500–1,500 | 6 | 1.05 | 1.2 | 1.3 | 1.4 | 1.3 |
Under optimal conditions, according to the product sheet. Based on customer results and experience. Optimum according to the catalogue
How to read a product sheet · Feeding by temperature and oxygen
Composition
in descending order by weight
- Poultry meal
- Fishmeal
- Triticale
- Wheat
- Sorghum
- Blood meal
- Rapeseed
- Hydrolysed feather meal
- Salmon oil
- Calcium carbonate
Analytical constituents
| Nutrient | Content |
|---|---|
| Crude protein | 43.88% |
| Crude fat | 13.75% |
| Crude fibre | 1.26% |
| Crude ash | 6.08% |
| Phosphorus | 0.77% |
| Calcium | 1.66% |
| Sodium | 0.17% |
Additives per kg feed
Nutritional
| Additive | Amount |
|---|---|
| Vitamin A (3a672a) | 15,000 IU: International units (vitamins) |
| Vitamin D3 (3a671) | 2,000 IU: International units (vitamins) |
| Vitamin E (3a700) | 200 mg |
| Vitamin C (3a312) | 300 mg |
| Methionine (3c301) | 2,000 mg |
| Lysine (3c322) | 3,000 mg |
| Iron (iron(II) sulphate) 3b103 | 125 mg |
| Iodine (calcium iodate) 3b202 | 2 mg |
| Copper (copper(II) sulphate) 3b405 | 6 mg |
| Zinc (zinc oxide) 3b603 | 80 mg |
| Manganese (manganese(II) oxide) 3b502 | 20 mg |
Technological
| Additive | Amount |
|---|---|
| Butylated hydroxytoluene (BHT) (E 321) | 123.88 mg |
| Montmorillonite-illite (1g557) | 5,000 mg |
Delivery format
- Bag 20 kg
- Big bag for larger quantities
- Silo, bulk, for farms with silo facilities
- ex works Beeskow
Seals
GMP+ FSA: certified feed safety
RAS suitable: our mark for feeds suited to recirculating aquaculture systems
Made in Germany: produced at the Beeskow mill
Alternatives in the range
- more proteinCLS 45/14 ExS Pro (swim)
- under 200 gCLS 47/14 ExS (swim)
The information on the bag or big bag label is binding. All information is for guidance only; subject to change. Catalogue 2026, p. 38.