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 -2.40
Milk (kg) -8.00 -0.014 0.11
Fat (kg) 6.88 -0.375 -2.58
Prot (kg) -0.14 -0.441 0.06
Fertility Sub Index -0.23
Calving Interval (days) 0.38 -1.459 -0.55
Survival (%) 0.29 1.117 0.32
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index 0.20
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 0.63 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 0.06
Live WT (kg) -0.20 -0.307 0.06
Total Carbon Sub Index -2.02

* Based on an €80/tonne carbon price