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 3.39
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -2.06 -0.375 0.77
Prot (kg) -2.89 -0.441 1.28
Fertility Sub Index 4.55
Calving Interval (days) -1.82 -1.459 2.66
Survival (%) 1.70 1.117 1.90
Calving Sub Index 0.79
Gestation Length (days) -0.86 -0.919 0.79
Beef Sub Index -1.10
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 7.93 -0.432 -3.42
Maintenance Sub Index Maint. Sub Index 7.69
Live WT (kg) -25.10 -0.307 7.69
Total Carbon Sub Index 15.33

* Based on an €80/tonne carbon price