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 3.48
Milk (kg) 28.00 -0.014 -0.39
Fat (kg) -5.47 -0.375 2.05
Prot (kg) -4.13 -0.441 1.82
Fertility Sub Index -0.04
Calving Interval (days) -0.07 -1.459 0.10
Survival (%) -0.13 1.117 -0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.25
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.60 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 3.89

* Based on an €80/tonne carbon price