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 2.90
Milk (kg) -49.00 -0.014 0.69
Fat (kg) -1.73 -0.375 0.65
Prot (kg) -3.55 -0.441 1.57
Fertility Sub Index 0.81
Calving Interval (days) -0.47 -1.459 0.69
Survival (%) 0.11 1.117 0.12
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.71
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 2.25 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 4.03

* Based on an €80/tonne carbon price