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 2.93
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -2.16 -0.375 0.81
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index 6.96
Calving Interval (days) -3.94 -1.459 5.75
Survival (%) 1.08 1.117 1.21
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index 0.67
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 14.96

* Based on an €80/tonne carbon price