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 9.70
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -9.37 -0.375 3.51
Prot (kg) -8.60 -0.441 3.80
Fertility Sub Index 7.42
Calving Interval (days) -5.08 -1.459 7.41
Survival (%) 0.01 1.117 0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 2.43
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -1.83 -0.432 0.79
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 21.97

* Based on an €80/tonne carbon price