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 2.41
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -0.17 -0.375 0.06
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 0.85
Calving Interval (days) -0.11 -1.459 0.16
Survival (%) 0.62 1.117 0.69
Calving Sub Index -0.06
Gestation Length (days) 0.07 -0.919 -0.06
Beef Sub Index -0.67
Carcass Weight (kg) 0.95 -0.528 -0.50
Age of Slaughter (days) 0.38 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 0.60
Live WT (kg) -1.95 -0.307 0.60
Total Carbon Sub Index 3.14

* Based on an €80/tonne carbon price