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 4.74
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -3.51 -0.375 1.31
Prot (kg) -2.72 -0.441 1.20
Fertility Sub Index 8.10
Calving Interval (days) -4.51 -1.459 6.58
Survival (%) 1.36 1.117 1.52
Calving Sub Index 0.81
Gestation Length (days) -0.88 -0.919 0.81
Beef Sub Index 1.68
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 1.37 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 19.22

* Based on an €80/tonne carbon price