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 5.59
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -1.72 -0.375 0.64
Prot (kg) -5.66 -0.441 2.50
Fertility Sub Index 1.35
Calving Interval (days) -0.35 -1.459 0.51
Survival (%) 0.75 1.117 0.84
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index -0.20
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.42 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 8.93

* Based on an €80/tonne carbon price