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 2.59
Milk (kg) -94.00 -0.014 1.32
Fat (kg) 1.71 -0.375 -0.64
Prot (kg) -4.34 -0.441 1.92
Fertility Sub Index 0.85
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.06
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 5.26

* Based on an €80/tonne carbon price