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 4.12
Milk (kg) -3.00 -0.014 0.04
Fat (kg) -3.89 -0.375 1.46
Prot (kg) -5.93 -0.441 2.62
Fertility Sub Index -0.84
Calving Interval (days) 0.29 -1.459 -0.42
Survival (%) -0.37 1.117 -0.41
Calving Sub Index -0.10
Gestation Length (days) 0.11 -0.919 -0.10
Beef Sub Index -0.12
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 4.06 -0.432 -1.75
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 3.21

* Based on an €80/tonne carbon price