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 1.30
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -1.17 -0.375 0.44
Prot (kg) -1.15 -0.441 0.51
Fertility Sub Index 0.84
Calving Interval (days) -0.39 -1.459 0.57
Survival (%) 0.24 1.117 0.27
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.48
Carcass Weight (kg) -2.90 -0.528 1.53
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 14.65

* Based on an €80/tonne carbon price