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 6.35
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -5.65 -0.375 2.12
Prot (kg) -5.41 -0.441 2.39
Fertility Sub Index -0.03
Calving Interval (days) -0.05 -1.459 0.07
Survival (%) -0.09 1.117 -0.10
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.20
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 6.31

* Based on an €80/tonne carbon price