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 0.96
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -1.05 -0.375 0.39
Prot (kg) -0.50 -0.441 0.22
Fertility Sub Index -0.42
Calving Interval (days) 1.22 -1.459 -1.78
Survival (%) 1.22 1.117 1.36
Calving Sub Index -0.44
Gestation Length (days) 0.48 -0.919 -0.44
Beef Sub Index -1.93
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 7.89 -0.432 -3.41
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 4.49

* Based on an €80/tonne carbon price