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 8.19
Milk (kg) -418.00 -0.014 5.85
Fat (kg) 1.29 -0.375 -0.48
Prot (kg) -6.39 -0.441 2.82
Fertility Sub Index 4.19
Calving Interval (days) -1.66 -1.459 2.42
Survival (%) 1.58 1.117 1.77
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index -1.82
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 8.37 -0.432 -3.61
Maintenance Sub Index Maint. Sub Index 7.05
Live WT (kg) -23.00 -0.307 7.05
Total Carbon Sub Index 18.35

* Based on an €80/tonne carbon price