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 2.72
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -1.75 -0.375 0.66
Prot (kg) -1.60 -0.441 0.71
Fertility Sub Index 2.77
Calving Interval (days) -0.77 -1.459 1.12
Survival (%) 1.47 1.117 1.64
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.58
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.58 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 17.48

* Based on an €80/tonne carbon price