Skip to content

Main content

Pasture Intake Pre Post Mass Gap Tool

Signed disappearance estimate with explicit regrowth and non-intake losses; not a direct intake measurement.

Loading tool…

Description

Return pasture-intake estimate from mass disappearance.

Animal feed, milk and scaling terms require explicit dry-matter, energy, component and body-size bases. Empirical coefficients and caller-supplied prices are not universal biological laws. An intake or cost estimate does not select a diet, predict health or establish an appropriate intervention.

Return pasture-intake estimate from mass disappearance.

When to use this tool

Use Pasture Intake Pre Post Mass Gap when checking the stated intake, composition, cost or allometric convention.

How to use the tool and how it works

  1. Enter beforeMass, afterMass, regrowth, nonIntakeLoss, animals. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read estimatedIntake, intakePerAnimal. Use the output convention below.

Return pasture-intake estimate from mass disappearance. Require nonnegative masses/regrowth/nonIntakeLoss and positive whole animals; estimatedIntake = before-after+regrowth-nonIntakeLoss, divide by animals.1

Input fieldMeaning and unitsAccepted input
beforeMassBefore MassRequired. Finite number; minimum 0.
afterMassAfter MassRequired. Finite number; minimum 0.
regrowthRegrowthRequired. Finite number; minimum 0.
nonIntakeLossNon Intake LossRequired. Finite number; minimum 0.
animalsAnimalsRequired. Safe integer; minimum 1.
Output fieldInterpretationReturned shape
estimatedIntakeEstimated IntakeRequired. Finite number.
intakePerAnimalIntake Per AnimalRequired. Finite number.
json
{
  "input": {
    "beforeMass": 1000,
    "afterMass": 600,
    "regrowth": 50,
    "nonIntakeLoss": 100,
    "animals": 10
  },
  "output": {
    "estimatedIntake": 350,
    "intakePerAnimal": 35
  }
}

Limitations and assumptions

  • Negative intake is retained; regrowth/losses and representative pasture measurements are supplied, not a recommended feed allowance.
  • 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 animal/feed measurements, the intended validated model and qualified veterinary/nutrition advice for care or feeding decisions.

References

  1. Calculation and input contract: animal-science/pasture-intake-pre-post-mass-gap — tool.io

Similar or alternative tools