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 1.53
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -0.32 -0.375 0.12
Prot (kg) -0.34 -0.441 0.15
Fertility Sub Index 7.00
Calving Interval (days) -3.20 -1.459 4.67
Survival (%) 2.09 1.117 2.33
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.32
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.09 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 5.12
Live WT (kg) -16.70 -0.307 5.12
Total Carbon Sub Index 18.78

* Based on an €80/tonne carbon price