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 -1.16
Milk (kg) 14.00 -0.014 -0.20
Fat (kg) 2.25 -0.375 -0.84
Prot (kg) 0.27 -0.441 -0.12
Fertility Sub Index -0.32
Calving Interval (days) 0.49 -1.459 -0.71
Survival (%) 0.35 1.117 0.39
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index 1.19
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) -4.60 -0.432 1.99
Maintenance Sub Index Maint. Sub Index -3.22
Live WT (kg) 10.50 -0.307 -3.22
Total Carbon Sub Index -2.82

* Based on an €80/tonne carbon price