FORMULA 



Sum (Piglets Weaned Related Total Weaning)

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        Weaning QtyTotalPeriod




WHERE:


Sum: sum for each total weaning of the sow(s) in the period.


Piglets Weaned Related Total Weaning: total number of piglets weaned at weaning (partial and total) of the sow(s) with total weaning in the period. Consider piglets from weaning from farrowing and nurse sow.


Weaning Qty Total Period: amount of total weaning(s) in the period, including null weanings. Do not consider the total weaning of nurse sow and do not consider partial weanings.