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 6.82
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -3.80 -0.375 1.42
Prot (kg) -7.21 -0.441 3.18
Fertility Sub Index 5.64
Calving Interval (days) -3.32 -1.459 4.84
Survival (%) 0.71 1.117 0.79
Calving Sub Index 0.21
Gestation Length (days) -0.23 -0.919 0.21
Beef Sub Index 0.65
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.06 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 15.34

* Based on an €80/tonne carbon price