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 1.77
Milk (kg) 4.00 -0.014 -0.06
Fat (kg) -2.64 -0.375 0.99
Prot (kg) -1.90 -0.441 0.84
Fertility Sub Index 1.09
Calving Interval (days) -0.74 -1.459 1.08
Survival (%) 0.01 1.117 0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.31
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.96 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 4.42

* Based on an €80/tonne carbon price