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 4.29
Milk (kg) -7.00 -0.014 0.10
Fat (kg) -6.01 -0.375 2.25
Prot (kg) -4.40 -0.441 1.94
Fertility Sub Index -3.17
Calving Interval (days) 1.34 -1.459 -1.96
Survival (%) -1.09 1.117 -1.22
Calving Sub Index 1.93
Gestation Length (days) -2.10 -0.919 1.93
Beef Sub Index -2.35
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) 5.21 -0.432 -2.25
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 0.94

* Based on an €80/tonne carbon price