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 2.78
Milk (kg) -148.00 -0.014 2.07
Fat (kg) 5.27 -0.375 -1.97
Prot (kg) -6.07 -0.441 2.68
Fertility Sub Index 3.05
Calving Interval (days) -3.18 -1.459 4.64
Survival (%) -1.42 1.117 -1.59
Calving Sub Index -1.05
Gestation Length (days) 1.14 -0.919 -1.05
Beef Sub Index 1.03
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 2.62 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 7.31

* Based on an €80/tonne carbon price