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 -1.42
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) 2.47 -0.375 -0.93
Prot (kg) 1.09 -0.441 -0.48
Fertility Sub Index 2.93
Calving Interval (days) -1.59 -1.459 2.32
Survival (%) 0.55 1.117 0.61
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 0.30
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 4.72
Live WT (kg) -15.40 -0.307 4.72
Total Carbon Sub Index 7.26

* Based on an €80/tonne carbon price