Description
This indicator count the farrowings in the selected period and filter out the number of sows which have had less than 1 still born piglets. The indicator is showed as a % of farrowings and therefore the number of sows which have get less than 1 still born piglet, get divide with the total number of farrowings in the selected period.
Calculation rule
Number of farrowings with less than 1 still born piglet in period divided by the number of farrowing in period