BR OptiStart 0–2 EX
- Fish weight
- up to 0.5 g
- Pellet size
- 0–0.6 mm
- achievable FCR*
- from 0.50
- Bag
- 20 kg
African catfish · Clarias gariepinus
Feed for African catfish. For recirculating systems.
Four floating RAS feeds from 10 g to 1.5 kg, plus starter and fingerling feeds. Feed requirement plan up to 1.6 kg.
8 feeds · pellet size 0–6 mm · Feed requirement plan up to 1.6 kg
Feed requirement plan
This is how much feed 1,000 animals need from fry to harvest. Tap a phase for pellet size, feeding rate, FCR and days.
Worked example at 28 °C · per 1,000 animals
BR OptiStart 0–2 EXup to 0.5 g
Weight Pellet size (mm) Feeding rate (% per day) FCR Days Feed up to 0.2 g 0.15–0.3 6.2 0.50 –‡ ≈ 0.1 kg 0.2–0.5 g 0.3–0.6 5.6 0.52 ≈ 9 ≈ 0.2 kg The duration of the fry stage varies greatly from farm to farm, so no figure is given.
Product sheet BR OptiStart 0–2 EXBR OptiStart 3–4 EX0.5–5 g
Product sheet BR OptiStart 3–4 EXWeight Pellet size (mm) Feeding rate (% per day) FCR Days Feed 0.5–2 g 0.6–0.9 4.3 0.55 ≈ 18 ≈ 0.8 kg 2–5 g 0.9–1.2 3.5 0.58 ≈ 15 ≈ 1.7 kg AF OptiStart 49/22 EX5–10 g
Product sheet AF OptiStart 49/22 EXWeight Pellet size (mm) Feeding rate (% per day) FCR Days Feed 5–10 g 1.4 2.9 0.60 ≈ 14 ≈ 3.0 kg CLS 50/15 ExS (swim)10–50 g
Product sheet CLS 50/15 ExS (swim)Weight Pellet size (mm) Feeding rate (% per day) FCR Days Feed 10–25 g 2 5.4 0.70 ≈ 12 ≈ 10 kg 25–50 g 2 4.8 0.75 ≈ 11 ≈ 19 kg CLS 47/14 ExS (swim)50–200 g
Product sheet CLS 47/14 ExS (swim)Weight Pellet size (mm) Feeding rate (% per day) FCR Days Feed 50–100 g 3 4.2 0.80 ≈ 13 ≈ 40 kg 100–200 g 3 3.4 0.85 ≈ 17 ≈ 85 kg CLS 45/14 ExS Pro (swim)200–1.6 kg
Product sheet CLS 45/14 ExS Pro (swim)Weight Pellet size (mm) Feeding rate (% per day) FCR Days Feed 200–500 g 4.5 2.4 0.90 ≈ 34 ≈ 270 kg 500–1.5 kg 6 1.4 1.00 ≈ 78 ≈ 1.0 t 1.5 kg–1.6 kg † 6 1.3 1.00 ≈ 5 ≈ 100 kg
- Harvest weight
- 1.6 kg
- given
- Avg. FCR
- 0.96
- 0 g → 1.6 kg
- Growth days
- ≈ 225 days
- 0.2 g → 1.6 kg
- Total feed
- ≈ 1.5 t
- per 1,000 animals
Worked example from the catalogue, without losses, at constant temperature. In practice it takes longer and needs more feed. † extrapolated from the catalogue (assumption). FCR values under optimal conditions, according to the product sheet.
FCR and feeding rate according to the product sheets, pp. 35–37 (28 °C). † 1.5–1.6 kg: feeding rate extrapolated using the same size rule as the table.
Suitable feeds
All feeds for this species, sorted by life stage.
Starter feed
BR OptiStart 3–4 EX
- Fish weight
- 0.5–5 g
- Pellet size
- 0.6–1.2 mm
- achievable FCR*
- from 0.55
- Bag
- 20 kg
Fingerling feed
AF OptiStart 50/15 EX
- Fish weight
- 5–50 g
- Pellet size
- 1.4–2.0 mm
- achievable FCR*
- from 0.65
- Bag
- 25 kg
AF OptiStart 49/22 EX
- Fish weight
- 5–30 g
- Pellet size
- 1.4–2.0 mm
- achievable FCR*
- from 0.60
- Bag
- 25 kg
RAS feed
CLS 50/15 ExS (swim)
- Fish weight
- 10–50 g
- Pellet size
- 2.0 mm
- achievable FCR*
- from 0.70
- Bag
- 20 kg
CLS 47/14 ExS (swim)
- Fish weight
- 50–200 g
- Pellet size
- 3.0 mm
- achievable FCR*
- from 0.80
- Bag
- 20 kg
CLS 45/14 ExS Pro (swim)
- Fish weight
- 200–1,500 g
- Pellet size
- 4.5–6.0 mm
- achievable FCR*
- from 0.90
- Bag
- 20 kg
CLS 43/14 ExS Classic (swim)
- Fish weight
- 200–1,500 g
- Pellet size
- 4.5–6.0 mm
- achievable FCR*
- from 0.95
- Bag
- 20 kg
Feeding recommendations by water temperature
For every feed for this species: the ration in kg per 100 kg fish per day, by weight and water temperature, as in the catalogue. Temperature optimum according to the catalogue
The tables are grouped by feed phase. Tap a phase to open it.
Starter feed · all fish species
Tables: 2
Columns for warm-water species: Carp · African catfish · Tilapia · Pikeperch
| Fish weight (g) | Pellet size (mm) | achievable FCR | 20 °C | 22 °C | 24 °C | 26 °C | 28 °C, Optimum | 30 °C |
|---|---|---|---|---|---|---|---|---|
| Larval size | 0–0.15 | 0.50 | 4.3 | 5.0 | 5.6 | 6.0 | 6.2 (Optimum) | 5.6 |
| up to 0.2 | 0.15–0.3 | 0.50 | 4.3 | 5.0 | 5.6 | 6.0 | 6.2 (Optimum) | 5.6 |
| 0.2–0.5 | 0.3–0.6 | 0.52 | 3.9 | 4.5 | 5.0 | 5.4 | 5.6 (Optimum) | 5.0 |
Under optimal environmental conditions. Based on customer results and experience.
The information on the bag or big bag label is binding. All information is for guidance only; subject to change.
Columns for warm-water species: Carp · African catfish · Tilapia · Pikeperch
| Fish weight (g) | Pellet size (mm) | achievable FCR | 20 °C | 22 °C | 24 °C | 26 °C, Optimum | 28 °C, Optimum | 30 °C |
|---|---|---|---|---|---|---|---|---|
| 0.5–2 | 0.6–0.9 | 0.55 | 3.0 | 3.4 | 3.9 | 4.2 (Optimum) | 4.3 (Optimum) | 3.9 |
| 2–5 | 0.9–1.2 | 0.58 | 2.4 | 2.8 | 3.2 | 3.4 (Optimum) | 3.5 (Optimum) | 3.2 |
Under optimal environmental conditions. Based on customer results and experience.
The information on the bag or big bag label is binding. All information is for guidance only; subject to change.
Fingerling feed · all fish species
Tables: 2
Columns for warm-water species: Carp · African catfish · Tilapia · Pikeperch
| Fish weight (g) | Pellet size (mm) | achievable FCR | 20 °C | 22 °C | 24 °C | 26 °C | 28 °C, Optimum | 30 °C |
|---|---|---|---|---|---|---|---|---|
| 5–10 | 1.4 | 0.65 | 2.0 | 2.3 | 2.6 | 2.8 | 2.9 (Optimum) | 2.6 |
| 10–25 | 2.0 | 0.67 | 1.7 | 1.9 | 2.2 | 2.3 | 2.4 (Optimum) | 2.2 |
| 25–50 | 2.0 | 0.70 | 1.3 | 1.5 | 1.7 | 1.8 | 1.9 (Optimum) | 1.7 |
Under optimal environmental conditions. Based on customer results and experience.
The information on the bag or big bag label is binding. All information is for guidance only; subject to change.
Columns for warm-water species: Carp · African catfish · Tilapia · Pikeperch
| Fish weight (g) | Pellet size (mm) | achievable FCR | 20 °C | 22 °C | 24 °C | 26 °C | 28 °C, Optimum | 30 °C |
|---|---|---|---|---|---|---|---|---|
| 5–10 | 1.4 | 0.60 | 2.0 | 2.3 | 2.6 | 2.8 | 2.9 (Optimum) | 2.6 |
| 10–30 | 2.0 | 0.62 | 1.5 | 1.8 | 2.0 | 2.1 | 2.2 (Optimum) | 2.0 |
Under optimal environmental conditions. Based on customer results and experience.
The information on the bag or big bag label is binding. All information is for guidance only; subject to change.
RAS feed · African catfish
Tables: 4
| Fish weight (g) | Pellet size (mm) | achievable FCR | 24 °C | 26 °C | 28 °C, Optimum | 30 °C |
|---|---|---|---|---|---|---|
| 10–25 | 2 | 0.70 | 4.7 | 5.1 | 5.4 (Optimum) | 4.9 |
| 25–50 | 2 | 0.75 | 4.2 | 4.6 | 4.8 (Optimum) | 4.3 |
Under optimal environmental conditions. Based on customer results and experience.
The information on the bag or big bag label is binding. All information is for guidance only; subject to change.
| Fish weight (g) | Pellet size (mm) | achievable FCR | 24 °C | 26 °C | 28 °C, Optimum | 30 °C |
|---|---|---|---|---|---|---|
| 50–100 | 3 | 0.80 | 3.7 | 4.0 | 4.2 (Optimum) | 3.8 |
| 100–200 | 3 | 0.85 | 3.0 | 3.2 | 3.4 (Optimum) | 3.1 |
Under optimal environmental conditions. Based on customer results and experience.
The information on the bag or big bag label is binding. All information is for guidance only; subject to change.
| Fish weight (g) | Pellet size (mm) | achievable FCR | 24 °C | 26 °C | 28 °C, Optimum | 30 °C |
|---|---|---|---|---|---|---|
| 200–500 | 4.5 | 0.90 | 2.1 | 2.3 | 2.4 (Optimum) | 2.2 |
| 500–1,500 | 6 | 1.00 | 1.2 | 1.3 | 1.4 (Optimum) | 1.3 |
Under optimal environmental conditions. Based on customer results and experience.
The information on the bag or big bag label is binding. All information is for guidance only; subject to change.
| Fish weight (g) | Pellet size (mm) | achievable FCR | 24 °C | 26 °C | 28 °C, Optimum | 30 °C |
|---|---|---|---|---|---|---|
| 200–500 | 4.5 | 0.95 | 2.1 | 2.3 | 2.4 (Optimum) | 2.2 |
| 500–1,500 | 6 | 1.05 | 1.2 | 1.3 | 1.4 (Optimum) | 1.3 |
Under optimal environmental conditions. Based on customer results and experience.
The information on the bag or big bag label is binding. All information is for guidance only; subject to change.
Water parameters
Guide values from the technical literature and mill data. They do not replace measurements in your system, but they show you where to look.
- Optimum
- 26–30 °C
- Oxygen
- 3.5–6 mg/l
- pH range
- 6.0–8.5
- Stocking density
- 60–200 kg/m³
- Temperature in the worked example
- 28 °C
Sources: TransFarm/Interreg Central Baltic (2023) for trout, sturgeon, carp, African catfish, tilapia, pikeperch; NRC (1993)/NCRAC (2003) for tilapia oxygen; Crustaceans in general (TransFarm); outlet values for trout and sturgeon and the trout optimum: mill data. Catalogue example = temperature of the worked examples.
Typical questions
How do I find the feed that performs best in my system?
Three details decide: species, fish weight and water temperature. They determine the feed line, pellet size and energy content. The feeding rate is in the table on the product sheet. Send us your farm data and we will calculate the plan for your system.
How do I change pellet size or feed without losing growth?
Where the weight classes overlap, mix the old and new pellet size for 3–5 days. A change of feed is best planned with us: the feeding plan shows which feed comes in when.
What do I do if oxygen falls or the temperature is above the optimum?
Increase the oxygen supply shortly before each feeding, by as much as the feeding will use on top. That way your fish have enough oxygen during the meal and afterwards. Read the optimum temperature for your feed from its feeding table: it is where the feeding rate is highest.
How do I check whether the feed's FCR is right?
FCR = kg feed ÷ kg weight gain, for the same period and the same tank. Record the amount actually fed (calibrate your feeders), subtract uneaten feed and include losses in the biomass. Compare the result with the achievable FCR on the product sheet: it applies under optimal conditions.