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 4.40
Milk (kg) -207.00 -0.014 2.90
Fat (kg) 2.84 -0.375 -1.06
Prot (kg) -5.81 -0.441 2.56
Fertility Sub Index -2.64
Calving Interval (days) 1.33 -1.459 -1.94
Survival (%) -0.63 1.117 -0.70
Calving Sub Index -0.23
Gestation Length (days) 0.25 -0.919 -0.23
Beef Sub Index 0.50
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 3.99

* Based on an €80/tonne carbon price