Cost per sow-day =
Total annual breeding herd expenditure / (productive sows x 365)
Cost of reproductive failure =
Cost per sow-day X empty days per annum / pigs born alive (sold) per sow per year

Click on 'Comments' below to let us know if what you calculate is similar or different to what you expected.
There's also more information and advice in 2TS Action for Productivity 26 - Improving Key Peformance Indicators: Breeding Herd
add gestation to lactation interval
ReplyDeleteMultiply this by farms litters/sows/year
Subtract from days of the year
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