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 4.21
Milk (kg) -2.00 -0.014 0.03
Fat (kg) 0.68 -0.375 -0.25
Prot (kg) -10.06 -0.441 4.44
Fertility Sub Index 0.08
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.05
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 0.89
Live WT (kg) -2.90 -0.307 0.89
Total Carbon Sub Index 4.76

* Based on an €80/tonne carbon price