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 -1.03
Milk (kg) 4.00 -0.014 -0.06
Fat (kg) -0.02 -0.375 0.01
Prot (kg) 2.22 -0.441 -0.98
Fertility Sub Index -1.66
Calving Interval (days) 1.96 -1.459 -2.86
Survival (%) 1.07 1.117 1.20
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index -1.06
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) 0.00 -0.432 0.00
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index -0.32

* Based on an €80/tonne carbon price