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 3.04
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -0.85 -0.375 0.32
Prot (kg) -2.58 -0.441 1.14
Fertility Sub Index 1.18
Calving Interval (days) -0.47 -1.459 0.69
Survival (%) 0.44 1.117 0.49
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.04
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -1.42 -0.432 0.61
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 16.32

* Based on an €80/tonne carbon price