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 12.23
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -16.68 -0.375 6.25
Prot (kg) -10.88 -0.441 4.80
Fertility Sub Index -3.53
Calving Interval (days) 1.34 -1.459 -1.96
Survival (%) -1.41 1.117 -1.58
Calving Sub Index -0.78
Gestation Length (days) 0.85 -0.919 -0.78
Beef Sub Index 1.71
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) -2.62 -0.432 1.13
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 11.09

* Based on an €80/tonne carbon price