This indicator shows the number of weaned pigs per sow per year  

Calculation rule:

Indicator weaned pigs / litter  is multiplied by litters pr. sow pr. year. For example in a period weaned pigs per litter is 13 and the litters per sow per year is 2,3 then weaned piglets per sow per year: 13* 2,3 = 29,9