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 8.43
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -15.53 -0.375 5.82
Prot (kg) -3.54 -0.441 1.56
Fertility Sub Index -0.81
Calving Interval (days) 0.48 -1.459 -0.70
Survival (%) -0.10 1.117 -0.11
Calving Sub Index 1.50
Gestation Length (days) -1.63 -0.919 1.50
Beef Sub Index 0.60
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 4.48 -0.432 -1.93
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 13.06

* Based on an €80/tonne carbon price