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 2.56
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -0.27 -0.375 0.10
Prot (kg) -3.16 -0.441 1.39
Fertility Sub Index 1.37
Calving Interval (days) -0.77 -1.459 1.12
Survival (%) 0.22 1.117 0.25
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.88
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 2.66 -0.432 -1.15
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 2.70

* Based on an €80/tonne carbon price