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 0.43
Milk (kg) -15.00 -0.014 0.21
Fat (kg) -0.14 -0.375 0.05
Prot (kg) -0.38 -0.441 0.17
Fertility Sub Index 0.85
Calving Interval (days) -0.54 -1.459 0.79
Survival (%) 0.06 1.117 0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.05
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.96 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 2.82

* Based on an €80/tonne carbon price