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 21.37
Milk (kg) -440.00 -0.014 6.16
Fat (kg) -20.86 -0.375 7.81
Prot (kg) -16.76 -0.441 7.40
Fertility Sub Index 4.05
Calving Interval (days) -1.94 -1.459 2.83
Survival (%) 1.09 1.117 1.22
Calving Sub Index -1.21
Gestation Length (days) 1.32 -0.919 -1.21
Beef Sub Index -2.39
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) 2.47 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 22.00

* Based on an €80/tonne carbon price