Free tool
SGR and Growth Rate Calculator
Enter the average weights from two sample weighings and the number of days between them.
See the system that does this automaticallyOpen the live demoHow is it calculated?
- SGR (%/day) = (ln Final weight − ln Initial weight) ÷ Days × 100
- Daily gain = (Final weight − Initial weight) ÷ Days
- Days left = ln(Target ÷ Latest weight) ÷ (SGR ÷ 100)
FCRSOFT
FCRSOFT does this for you automatically
You don’t need to do the calculations and checks on this page by hand every day. FCRSOFT derives them all automatically from the records entered in the field.
- Every sample weighing yields a growth curve and SGR.
- The harvest date forecast for the target weight updates automatically.
- Mortality and harvest exits are deducted from stock automatically.
FCRSOFT solutions
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