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 4.19
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -2.22 -0.375 0.83
Prot (kg) -3.17 -0.441 1.40
Fertility Sub Index -9.79
Calving Interval (days) 5.11 -1.459 -7.46
Survival (%) -2.09 1.117 -2.33
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index -0.87
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 2.75 -0.432 -1.19
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index -5.04

* Based on an €80/tonne carbon price