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 4.49
Milk (kg) -81.00 -0.014 1.13
Fat (kg) -4.33 -0.375 1.62
Prot (kg) -3.93 -0.441 1.73
Fertility Sub Index 1.52
Calving Interval (days) -0.49 -1.459 0.71
Survival (%) 0.72 1.117 0.80
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.86
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.56 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 15.22

* Based on an €80/tonne carbon price