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 2.76
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -1.48 -0.375 0.55
Prot (kg) -2.47 -0.441 1.09
Fertility Sub Index -0.22
Calving Interval (days) -0.02 -1.459 0.03
Survival (%) -0.22 1.117 -0.25
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.28
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 1.39 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 3.26

* Based on an €80/tonne carbon price