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 2.39
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -0.76 -0.375 0.28
Prot (kg) -1.57 -0.441 0.69
Fertility Sub Index 0.34
Calving Interval (days) 1.37 -1.459 -2.00
Survival (%) 2.09 1.117 2.33
Calving Sub Index -1.58
Gestation Length (days) 1.72 -0.919 -1.58
Beef Sub Index -1.60
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 5.29 -0.432 -2.28
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 2.40

* Based on an €80/tonne carbon price