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 1.74
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -1.88 -0.375 0.70
Prot (kg) -1.84 -0.441 0.81
Fertility Sub Index 2.03
Calving Interval (days) -1.10 -1.459 1.60
Survival (%) 0.38 1.117 0.42
Calving Sub Index -0.82
Gestation Length (days) 0.89 -0.919 -0.82
Beef Sub Index 0.99
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.15 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 7.19

* Based on an €80/tonne carbon price