PTF Calculator - A Measure of Efficiency, and Returns on Extra Outlay

Instructions: Fill in the fields with bold labels below to evaluate the results of a product, and click on 'Calculate'. For a detailed explanation, see the associated article "Pork Per Tonne of Feed - A Measure of Efficiency" (link below).

Current Pricing Information


(The same values for these factors are used in calculations for both trials, even if they were different during the trials, to allow the comparison of returns.)

Trial Comparison

Trial A (control)

Trial B (with product)

Comparison of Trial B with Trial A

For help interpreting the results, please follow the link to the article in the "related links" section.

*Note: When considering something other than a feed additive, etc., such as vaccination for example, you will need to calculate the cost in terms of $/tonne of feed used for entry in this field. Example: $2/pig x 100 pigs = $200 extra outlay. If 28 tonnes of feed was used in the trial, then $200/28 tonnes = $7.14/tonne of feed.

(PTF Calculator was developed based on articles by John Gadd in Pig Farming.)

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