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 4.43
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -0.98 -0.375 0.37
Prot (kg) -3.85 -0.441 1.70
Fertility Sub Index 6.03
Calving Interval (days) -4.47 -1.459 6.52
Survival (%) -0.44 1.117 -0.49
Calving Sub Index -0.32
Gestation Length (days) 0.35 -0.919 -0.32
Beef Sub Index 4.15
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) -1.55 -0.432 0.67
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 16.25

* Based on an €80/tonne carbon price