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 6.95
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -8.17 -0.375 3.06
Prot (kg) -6.03 -0.441 2.66
Fertility Sub Index -6.84
Calving Interval (days) 3.47 -1.459 -5.06
Survival (%) -1.59 1.117 -1.78
Calving Sub Index -0.33
Gestation Length (days) 0.36 -0.919 -0.33
Beef Sub Index 0.15
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.22 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 1.29

* Based on an €80/tonne carbon price