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 1.75
Milk (kg) -79.00 -0.014 1.11
Fat (kg) 3.55 -0.375 -1.33
Prot (kg) -4.48 -0.441 1.98
Fertility Sub Index 1.18
Calving Interval (days) -0.77 -1.459 1.12
Survival (%) 0.05 1.117 0.06
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.07
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 4.14

* Based on an €80/tonne carbon price