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 2.61
Milk (kg) -131.00 -0.014 1.83
Fat (kg) 1.26 -0.375 -0.47
Prot (kg) -2.83 -0.441 1.25
Fertility Sub Index -0.20
Calving Interval (days) 0.35 -1.459 -0.51
Survival (%) 0.28 1.117 0.31
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index 0.37
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.62 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 3.48

* Based on an €80/tonne carbon price