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 3.69
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -1.90 -0.375 0.71
Prot (kg) -4.81 -0.441 2.12
Fertility Sub Index 4.05
Calving Interval (days) -1.98 -1.459 2.89
Survival (%) 1.04 1.117 1.16
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index 1.04
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 2.24 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index -0.12
Live WT (kg) 0.40 -0.307 -0.12
Total Carbon Sub Index 8.25

* Based on an €80/tonne carbon price