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 5.90
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -4.44 -0.375 1.66
Prot (kg) -6.17 -0.441 2.72
Fertility Sub Index 2.64
Calving Interval (days) -1.56 -1.459 2.28
Survival (%) 0.33 1.117 0.37
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.50
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 7.70

* Based on an €80/tonne carbon price