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 1.64
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -1.35 -0.375 0.51
Prot (kg) -1.46 -0.441 0.64
Fertility Sub Index 3.41
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) 0.77 1.117 0.86
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index -0.12
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 3.08 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 5.89
Live WT (kg) -19.20 -0.307 5.89
Total Carbon Sub Index 11.09

* Based on an €80/tonne carbon price