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 6.04
Milk (kg) -186.00 -0.014 2.60
Fat (kg) -2.04 -0.375 0.76
Prot (kg) -6.05 -0.441 2.67
Fertility Sub Index -3.18
Calving Interval (days) 1.11 -1.459 -1.62
Survival (%) -1.40 1.117 -1.56
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.35
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.27 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index 3.45

* Based on an €80/tonne carbon price