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 3.31
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -4.10 -0.375 1.54
Prot (kg) -1.70 -0.441 0.75
Fertility Sub Index -6.48
Calving Interval (days) 4.25 -1.459 -6.20
Survival (%) -0.25 1.117 -0.28
Calving Sub Index -2.26
Gestation Length (days) 2.46 -0.919 -2.26
Beef Sub Index 0.49
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index -2.22

* Based on an €80/tonne carbon price