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 1.58
Milk (kg) -55.00 -0.014 0.77
Fat (kg) 0.65 -0.375 -0.24
Prot (kg) -2.39 -0.441 1.05
Fertility Sub Index 2.36
Calving Interval (days) -1.34 -1.459 1.96
Survival (%) 0.36 1.117 0.40
Calving Sub Index 0.46
Gestation Length (days) -0.50 -0.919 0.46
Beef Sub Index 0.86
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.46 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 7.87

* Based on an €80/tonne carbon price