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 4.51
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -3.71 -0.375 1.39
Prot (kg) -3.80 -0.441 1.68
Fertility Sub Index 0.85
Calving Interval (days) -0.47 -1.459 0.69
Survival (%) 0.15 1.117 0.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.35
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 1.31 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 6.59

* Based on an €80/tonne carbon price