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 15.04
Milk (kg) -334.00 -0.014 4.68
Fat (kg) -12.47 -0.375 4.67
Prot (kg) -12.89 -0.441 5.69
Fertility Sub Index 3.53
Calving Interval (days) -2.19 -1.459 3.20
Survival (%) 0.30 1.117 0.34
Calving Sub Index -0.32
Gestation Length (days) 0.35 -0.919 -0.32
Beef Sub Index 1.69
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 2.31 -0.432 -1.00
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 22.97

* Based on an €80/tonne carbon price