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 0.65
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) 0.16 -0.375 -0.06
Prot (kg) -1.63 -0.441 0.72
Fertility Sub Index 0.25
Calving Interval (days) -0.35 -1.459 0.51
Survival (%) -0.23 1.117 -0.26
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.41
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 3.20

* Based on an €80/tonne carbon price