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 4.51
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -0.90 -0.375 0.34
Prot (kg) -4.63 -0.441 2.04
Fertility Sub Index 3.91
Calving Interval (days) -2.41 -1.459 3.52
Survival (%) 0.35 1.117 0.39
Calving Sub Index 0.64
Gestation Length (days) -0.70 -0.919 0.64
Beef Sub Index 0.55
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.27 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 12.24

* Based on an €80/tonne carbon price