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 2.56
Milk (kg) -126.00 -0.014 1.76
Fat (kg) 0.77 -0.375 -0.29
Prot (kg) -2.45 -0.441 1.08
Fertility Sub Index -0.18
Calving Interval (days) 0.34 -1.459 -0.50
Survival (%) 0.28 1.117 0.31
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index 0.32
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.60 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 3.19

* Based on an €80/tonne carbon price