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 6.12
Milk (kg) -51.00 -0.014 0.71
Fat (kg) -7.01 -0.375 2.63
Prot (kg) -6.30 -0.441 2.78
Fertility Sub Index 2.88
Calving Interval (days) -1.56 -1.459 2.28
Survival (%) 0.54 1.117 0.60
Calving Sub Index -0.29
Gestation Length (days) 0.32 -0.919 -0.29
Beef Sub Index 0.27
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) -0.37 -0.432 0.16
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 13.57

* Based on an €80/tonne carbon price