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 -2.27
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) 7.17 -0.375 -2.69
Prot (kg) -1.01 -0.441 0.45
Fertility Sub Index -4.25
Calving Interval (days) 1.82 -1.459 -2.66
Survival (%) -1.43 1.117 -1.60
Calving Sub Index 0.41
Gestation Length (days) -0.45 -0.919 0.41
Beef Sub Index 1.64
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.10 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index -4.15

* Based on an €80/tonne carbon price