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 11.04
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -10.76 -0.375 4.03
Prot (kg) -10.32 -0.441 4.55
Fertility Sub Index 4.72
Calving Interval (days) -2.77 -1.459 4.04
Survival (%) 0.61 1.117 0.68
Calving Sub Index -0.79
Gestation Length (days) 0.86 -0.919 -0.79
Beef Sub Index 1.67
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -0.68 -0.432 0.29
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 19.27

* Based on an €80/tonne carbon price