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 3.50
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -1.59 -0.375 0.60
Prot (kg) -3.15 -0.441 1.39
Fertility Sub Index 1.15
Calving Interval (days) -0.50 -1.459 0.73
Survival (%) 0.38 1.117 0.42
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.43
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -2.21 -0.432 0.95
Maintenance Sub Index Maint. Sub Index 6.35
Live WT (kg) -20.70 -0.307 6.35
Total Carbon Sub Index 17.12

* Based on an €80/tonne carbon price