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 2.07
Milk (kg) -153.00 -0.014 2.14
Fat (kg) 1.04 -0.375 -0.39
Prot (kg) -0.71 -0.441 0.31
Fertility Sub Index -0.32
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) -0.26 1.117 -0.29
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index -0.19
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 2.36

* Based on an €80/tonne carbon price