Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 1.43
Milk (kg) -89.00 -0.014 1.25
Fat (kg) 2.30 -0.375 -0.86
Prot (kg) -2.36 -0.441 1.04
Fertility Sub Index 0.08
Calving Interval (days) 0.20 -1.459 -0.29
Survival (%) 0.33 1.117 0.37
Calving Sub Index -0.33
Gestation Length (days) 0.36 -0.919 -0.33
Beef Sub Index 0.17
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index 2.17

* Based on an €80/tonne carbon price