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 2.04
Milk (kg) 65.00 -0.014 -0.91
Fat (kg) -4.25 -0.375 1.59
Prot (kg) -3.08 -0.441 1.36
Fertility Sub Index 1.05
Calving Interval (days) -0.64 -1.459 0.93
Survival (%) 0.10 1.117 0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.11
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.06 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 3.74

* Based on an €80/tonne carbon price