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 6.23
Milk (kg) -176.00 -0.014 2.46
Fat (kg) -4.13 -0.375 1.55
Prot (kg) -5.02 -0.441 2.22
Fertility Sub Index -1.50
Calving Interval (days) 1.16 -1.459 -1.69
Survival (%) 0.17 1.117 0.19
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index -2.07
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 8.83 -0.432 -3.81
Maintenance Sub Index Maint. Sub Index 6.90
Live WT (kg) -22.50 -0.307 6.90
Total Carbon Sub Index 10.26

* Based on an €80/tonne carbon price