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 7.16
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -6.09 -0.375 2.28
Prot (kg) -6.17 -0.441 2.72
Fertility Sub Index 1.04
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) 0.12 1.117 0.13
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.14
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 8.06

* Based on an €80/tonne carbon price