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 4.39
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -5.44 -0.375 2.04
Prot (kg) -1.91 -0.441 0.84
Fertility Sub Index -0.36
Calving Interval (days) 1.25 -1.459 -1.82
Survival (%) 1.31 1.117 1.46
Calving Sub Index -0.77
Gestation Length (days) 0.84 -0.919 -0.77
Beef Sub Index -1.43
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 6.36 -0.432 -2.75
Maintenance Sub Index Maint. Sub Index 5.49
Live WT (kg) -17.90 -0.307 5.49
Total Carbon Sub Index 7.32

* Based on an €80/tonne carbon price