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 12.04
Milk (kg) -231.00 -0.014 3.23
Fat (kg) -13.61 -0.375 5.10
Prot (kg) -8.41 -0.441 3.71
Fertility Sub Index -0.12
Calving Interval (days) 0.58 -1.459 -0.85
Survival (%) 0.65 1.117 0.73
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.58
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 1.47 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 21.47

* Based on an €80/tonne carbon price