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 14.04
Milk (kg) -271.00 -0.014 3.79
Fat (kg) -12.47 -0.375 4.67
Prot (kg) -12.64 -0.441 5.58
Fertility Sub Index 2.90
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) 0.31 1.117 0.35
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.04
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 4.55 -0.432 -1.96
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 26.07

* Based on an €80/tonne carbon price