Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 2.31
Milk (kg) -20.00 -0.014 0.28
Fat (kg) -4.08 -0.375 1.53
Prot (kg) -1.13 -0.441 0.50
Fertility Sub Index -5.00
Calving Interval (days) 2.00 -1.459 -2.92
Survival (%) -1.86 1.117 -2.08
Calving Sub Index -2.33
Gestation Length (days) 2.54 -0.919 -2.33
Beef Sub Index -3.65
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 5.04 -0.432 -2.18
Maintenance Sub Index Maint. Sub Index -0.92
Live WT (kg) 3.00 -0.307 -0.92
Total Carbon Sub Index -9.60

* Based on an €80/tonne carbon price