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 1.30
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -1.35 -0.375 0.51
Prot (kg) -0.71 -0.441 0.31
Fertility Sub Index 1.93
Calving Interval (days) -0.68 -1.459 0.99
Survival (%) 0.84 1.117 0.94
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.40
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 5.95
Live WT (kg) -19.40 -0.307 5.95
Total Carbon Sub Index 14.53

* Based on an €80/tonne carbon price