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 -1.49
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) 1.95 -0.375 -0.73
Prot (kg) 1.65 -0.441 -0.73
Fertility Sub Index 2.05
Calving Interval (days) -0.90 -1.459 1.31
Survival (%) 0.66 1.117 0.74
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.76
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -2.36 -0.432 1.02
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 13.09

* Based on an €80/tonne carbon price