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 8.96
Milk (kg) -77.00 -0.014 1.08
Fat (kg) -12.68 -0.375 4.75
Prot (kg) -7.09 -0.441 3.13
Fertility Sub Index -7.62
Calving Interval (days) 3.66 -1.459 -5.34
Survival (%) -2.04 1.117 -2.28
Calving Sub Index -1.60
Gestation Length (days) 1.74 -0.919 -1.60
Beef Sub Index -5.03
Carcass Weight (kg) 5.50 -0.528 -2.90
Age of Slaughter (days) 4.93 -0.432 -2.13
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index -4.25

* Based on an €80/tonne carbon price