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 1.41
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -0.08 -0.375 0.03
Prot (kg) -0.84 -0.441 0.37
Fertility Sub Index 3.36
Calving Interval (days) -0.66 -1.459 0.96
Survival (%) 2.15 1.117 2.40
Calving Sub Index 2.59
Gestation Length (days) -2.82 -0.919 2.59
Beef Sub Index -0.99
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 4.12 -0.432 -1.78
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 8.13

* Based on an €80/tonne carbon price