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 2.54
Milk (kg) -7.00 -0.014 0.10
Fat (kg) -1.90 -0.375 0.71
Prot (kg) -3.93 -0.441 1.73
Fertility Sub Index -3.30
Calving Interval (days) 2.05 -1.459 -2.99
Survival (%) -0.28 1.117 -0.31
Calving Sub Index 1.35
Gestation Length (days) -1.47 -0.919 1.35
Beef Sub Index -0.47
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 3.04 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 2.24

* Based on an €80/tonne carbon price