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 2.34
Milk (kg) -23.00 -0.014 0.32
Fat (kg) -2.33 -0.375 0.87
Prot (kg) -2.59 -0.441 1.14
Fertility Sub Index 0.04
Calving Interval (days) -0.16 -1.459 0.23
Survival (%) -0.17 1.117 -0.19
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.18
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.39 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 4.27

* Based on an €80/tonne carbon price