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 4.19
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -0.63 -0.375 0.24
Prot (kg) -3.25 -0.441 1.43
Fertility Sub Index 0.85
Calving Interval (days) -0.56 -1.459 0.82
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index 0.81
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 0.77
Live WT (kg) -2.50 -0.307 0.77
Total Carbon Sub Index 6.60

* Based on an €80/tonne carbon price