FORMULA 



Sum (Piglets Weaned Related Total Weaning)

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        Weaning QtyTotalPeriod




WHERE:


Sum (Piglet Weaned Related Total Weaning): Sum of total piglets weaned during the analyzed period, including piglets from partial and total weaning. Consider piglets from weaning from farrowing and nurse sows 


Weaning Qty Total Period: Total number of weaning during the analyzed period. It includes null weaning, but not weaning of nurse sow nor partial weaning.