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 7.16
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -8.11 -0.375 3.04
Prot (kg) -6.16 -0.441 2.72
Fertility Sub Index -13.16
Calving Interval (days) 6.89 -1.459 -10.05
Survival (%) -2.78 1.117 -3.11
Calving Sub Index 1.09
Gestation Length (days) -1.19 -0.919 1.09
Beef Sub Index -0.02
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 3.10 -0.432 -1.34
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index -4.59

* Based on an €80/tonne carbon price