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 6.50
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -6.84 -0.375 2.56
Prot (kg) -6.57 -0.441 2.90
Fertility Sub Index -6.11
Calving Interval (days) 3.46 -1.459 -5.05
Survival (%) -0.95 1.117 -1.06
Calving Sub Index 1.18
Gestation Length (days) -1.28 -0.919 1.18
Beef Sub Index -0.30
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 2.51

* Based on an €80/tonne carbon price