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) -51.00 -0.014 0.71
Fat (kg) -1.03 -0.375 0.39
Prot (kg) -4.08 -0.441 1.80
Fertility Sub Index -2.70
Calving Interval (days) 1.20 -1.459 -1.75
Survival (%) -0.85 1.117 -0.95
Calving Sub Index -0.37
Gestation Length (days) 0.40 -0.919 -0.37
Beef Sub Index 1.85
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 0.36 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 3.33

* Based on an €80/tonne carbon price