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 6.68
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -5.75 -0.375 2.15
Prot (kg) -5.57 -0.441 2.46
Fertility Sub Index 0.59
Calving Interval (days) 0.15 -1.459 -0.22
Survival (%) 0.72 1.117 0.80
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.81
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 2.53 -0.432 -1.09
Maintenance Sub Index Maint. Sub Index 4.51
Live WT (kg) -14.70 -0.307 4.51
Total Carbon Sub Index 16.28

* Based on an €80/tonne carbon price