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) -87.00 -0.014 1.22
Fat (kg) -0.33 -0.375 0.12
Prot (kg) -2.27 -0.441 1.00
Fertility Sub Index 0.36
Calving Interval (days) -0.23 -1.459 0.34
Survival (%) 0.02 1.117 0.02
Calving Sub Index -0.48
Gestation Length (days) 0.52 -0.919 -0.48
Beef Sub Index 0.82
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 2.10
Live WT (kg) -6.85 -0.307 2.10
Total Carbon Sub Index 5.14

* Based on an €80/tonne carbon price