Description
Return estimated ingested dry and protein mass.
Aquaculture material budgets distinguish as-fed mass, dry mass, specific energy and nutrient fractions. Offered feed, recovered feed and estimated intake are different quantities. Arithmetic balances do not determine biological utilization, an appropriate diet, disease status or a safe feeding recommendation.
Return estimated ingested dry and protein mass.
When to use this tool
Use Feed Protein Ingested Mass Term when checking the stated aquaculture feed, material or composition basis.
How to use the tool and how it works
- Enter offeredMass, recoveredUneatenMass, dryFraction, proteinDryFraction. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read ingestedDryMass, proteinMass. Use the output convention below.
Return estimated ingested dry and protein mass. Require offered >= recoveredUneaten >= 0 and dry/protein fractions in [0,1]; ingestedDry = (offered-recovered)*dryFraction, protein = ingestedDry*proteinDryFraction.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| offeredMass | Offered Mass | Required. Finite number. |
| recoveredUneatenMass | Recovered Uneaten Mass | Required. Finite number; minimum 0. |
| dryFraction | Dry Fraction | Required. Finite number; minimum 0; maximum 1. |
| proteinDryFraction | Protein Dry Fraction | Required. Finite number; minimum 0; maximum 1. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| ingestedDryMass | Ingested Dry Mass | Required. Finite number. |
| proteinMass | Protein Mass | Required. Finite number. |
{
"input": {
"offeredMass": 100,
"recoveredUneatenMass": 10,
"dryFraction": 0.8,
"proteinDryFraction": 0.5
},
"output": {
"ingestedDryMass": 72,
"proteinMass": 36
}
}Limitations and assumptions
- Unrecovered feed losses are not distinguished from intake; no nutrient absorption, recommended ration or welfare outcome is inferred.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Use verified feed and animal records, representative measurements and qualified aquaculture/veterinary advice for actual nutrition, welfare or water-quality decisions.
References
Similar or alternative tools
- Feed Batch Dry Mass Adjustment
Adjust feed mass while conserving supplied dry matter.
- Feed Energy Dry Basis Ratio
Convert as-fed specific energy to dry-matter basis.