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 8.28
Milk (kg) -173.00 -0.014 2.42
Fat (kg) -6.64 -0.375 2.49
Prot (kg) -7.63 -0.441 3.37
Fertility Sub Index 6.68
Calving Interval (days) -4.30 -1.459 6.27
Survival (%) 0.36 1.117 0.40
Calving Sub Index 1.36
Gestation Length (days) -1.48 -0.919 1.36
Beef Sub Index 0.36
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.48 -0.432 -0.64
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 19.46

* Based on an €80/tonne carbon price