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 5.72
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -3.12 -0.375 1.17
Prot (kg) -6.02 -0.441 2.66
Fertility Sub Index -1.30
Calving Interval (days) 0.48 -1.459 -0.70
Survival (%) -0.54 1.117 -0.60
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.82
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 0.43
Live WT (kg) -1.40 -0.307 0.43
Total Carbon Sub Index 3.55

* Based on an €80/tonne carbon price