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 2.64
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -1.96 -0.375 0.73
Prot (kg) -3.77 -0.441 1.66
Fertility Sub Index 2.48
Calving Interval (days) -0.95 -1.459 1.39
Survival (%) 0.98 1.117 1.09
Calving Sub Index 0.34
Gestation Length (days) -0.37 -0.919 0.34
Beef Sub Index 0.75
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.70 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 8.76

* Based on an €80/tonne carbon price