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 4.11
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -2.73 -0.375 1.02
Prot (kg) -3.47 -0.441 1.53
Fertility Sub Index 1.69
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) 0.70 1.117 0.78
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.48
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -1.72 -0.432 0.74
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 18.35

* Based on an €80/tonne carbon price