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The GC Calculation tab on the batch dashboard needs the Journal & GC permission. It’s normally an admin task at the end of a batch.
Once a batch’s birds are sold, open it and go to the GC Calculation tab. GrowTak pulls together the batch’s actual performance and costs, applies the batch’s GC scheme, and shows the payment due to the farmer.
GC calculation tab

What the tab shows

Batch Summary & Performance — the final figures for the flock: chicks placed, mortality and %, birds sold, total/average weight, consumed feed, FCR, CFCR, liquidation dates, mean age, and livability. Farm Cost Details — the cost build-up: chick cost, feed cost, medicine cost, admin cost, optional additional adjustments, and the resulting production cost (total and per kg). Scheme rate and actual total are shown side by side. GC Calculation — the worksheet itself:
  • A parameters block comparing Std., Actual, and Diff. for production cost/kg, FCR, mortality %, and GC/bird.
  • A component breakdown — each line of the payment (base rate, incentives, bonus, TDS, loading charge, and any batch-specific components), with its amount.
  • Total GC Payable — the bottom line.
  • Payment Deduction (Loan Repayment) — optionally deduct an amount that the farmer owes; this records a repayment against their loan.
  • Remaining Loan Outstanding — what’s still owed after the deduction.

Live preview (Advanced schemes)

For Advanced-mode schemes, a Live Preview recalculates the worksheet as data changes, so you can see the result before committing. You can also Add Batch Component — a one-off formula component that applies to this batch only (for an ad-hoc adjustment) without changing the shared scheme.

Saving the GC

1

Review the figures

Check the performance, costs, and each component line.
2

Set any loan deduction

If the farmer has an outstanding loan, enter the amount to recover in Payment Deduction.
3

Save GC

Press Save GC. GrowTak stores the calculation against the batch, and — if you set a deduction — records a loan repayment automatically.
After saving, the batch’s GC has a paid status of Unpaid. Recording the actual payment (or marking it paid from the GC Paid report) flips it to Paid. See Payments & loans.

Changing a saved GC

You can delete a saved GC to recalculate — for example after correcting a transaction or day entry. Deleting it also reverses the loan repayment it created and re-opens the batch for GC editing.
GC figures depend on complete, accurate data — all bird sales recorded, day entries finalised, and feeder leftover entered. Finish data entry before saving the GC.
The GC at closing uses the Final FCR (based on total recorded feed), which can differ slightly from the Running FCR shown in the live reports during the cycle. This is expected — see Key concepts.