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 2.93
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -0.70 -0.375 0.26
Prot (kg) -2.45 -0.441 1.08
Fertility Sub Index 1.66
Calving Interval (days) -0.67 -1.459 0.98
Survival (%) 0.61 1.117 0.68
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.82
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -0.80 -0.432 0.35
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 16.24

* Based on an €80/tonne carbon price