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 1.71
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -1.11 -0.375 0.42
Prot (kg) -1.89 -0.441 0.83
Fertility Sub Index 5.96
Calving Interval (days) -3.36 -1.459 4.90
Survival (%) 0.95 1.117 1.06
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index 0.07
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 10.75

* Based on an €80/tonne carbon price