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 5.42
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -6.84 -0.375 2.56
Prot (kg) -2.39 -0.441 1.05
Fertility Sub Index -0.86
Calving Interval (days) 1.41 -1.459 -2.06
Survival (%) 1.07 1.117 1.20
Calving Sub Index -0.60
Gestation Length (days) 0.65 -0.919 -0.60
Beef Sub Index -1.40
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 6.30 -0.432 -2.72
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 8.14

* Based on an €80/tonne carbon price