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 3.04
Milk (kg) -24.00 -0.014 0.34
Fat (kg) -3.57 -0.375 1.34
Prot (kg) -3.10 -0.441 1.37
Fertility Sub Index -7.08
Calving Interval (days) 3.48 -1.459 -5.08
Survival (%) -1.79 1.117 -2.00
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.03
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.01 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index -3.18

* Based on an €80/tonne carbon price