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 4.49
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -3.36 -0.375 1.26
Prot (kg) -3.32 -0.441 1.47
Fertility Sub Index 6.94
Calving Interval (days) -4.47 -1.459 6.52
Survival (%) 0.37 1.117 0.41
Calving Sub Index -0.10
Gestation Length (days) 0.11 -0.919 -0.10
Beef Sub Index 0.89
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 0.50 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 15.06

* Based on an €80/tonne carbon price