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 5.15
Milk (kg) -63.00 -0.014 0.88
Fat (kg) -6.39 -0.375 2.39
Prot (kg) -4.25 -0.441 1.88
Fertility Sub Index 7.82
Calving Interval (days) -4.74 -1.459 6.92
Survival (%) 0.81 1.117 0.90
Calving Sub Index 0.93
Gestation Length (days) -1.01 -0.919 0.93
Beef Sub Index 0.71
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 0.56 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index 4.45
Live WT (kg) -14.50 -0.307 4.45
Total Carbon Sub Index 19.05

* Based on an €80/tonne carbon price