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 4.37
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -0.97 -0.375 0.36
Prot (kg) -4.45 -0.441 1.96
Fertility Sub Index 0.59
Calving Interval (days) -0.53 -1.459 0.77
Survival (%) -0.16 1.117 -0.18
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.07
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.92 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index 5.97

* Based on an €80/tonne carbon price