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 12.09
Milk (kg) -261.00 -0.014 3.65
Fat (kg) -11.28 -0.375 4.23
Prot (kg) -9.55 -0.441 4.21
Fertility Sub Index 0.60
Calving Interval (days) -0.22 -1.459 0.32
Survival (%) 0.25 1.117 0.28
Calving Sub Index -0.28
Gestation Length (days) 0.30 -0.919 -0.28
Beef Sub Index 0.08
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.41 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 13.69

* Based on an €80/tonne carbon price