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 6.77
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -6.37 -0.375 2.39
Prot (kg) -6.67 -0.441 2.94
Fertility Sub Index 0.05
Calving Interval (days) -0.01 -1.459 0.01
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.15
Gestation Length (days) 0.16 -0.919 -0.15
Beef Sub Index 0.31
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.34 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index -1.35
Live WT (kg) 4.40 -0.307 -1.35
Total Carbon Sub Index 5.64

* Based on an €80/tonne carbon price