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 20.34
Milk (kg) -411.00 -0.014 5.75
Fat (kg) -17.06 -0.375 6.39
Prot (kg) -18.58 -0.441 8.20
Fertility Sub Index 9.00
Calving Interval (days) -5.51 -1.459 8.04
Survival (%) 0.86 1.117 0.96
Calving Sub Index 0.07
Gestation Length (days) -0.08 -0.919 0.07
Beef Sub Index 2.45
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) 0.44 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 38.27

* Based on an €80/tonne carbon price