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 4.17
Milk (kg) -125.00 -0.014 1.75
Fat (kg) -2.02 -0.375 0.76
Prot (kg) -3.76 -0.441 1.66
Fertility Sub Index -0.36
Calving Interval (days) 0.01 -1.459 -0.01
Survival (%) -0.31 1.117 -0.35
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.00
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.99 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 6.32

* Based on an €80/tonne carbon price