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 2.58
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -2.05 -0.375 0.77
Prot (kg) -1.60 -0.441 0.71
Fertility Sub Index 5.80
Calving Interval (days) -2.85 -1.459 4.16
Survival (%) 1.47 1.117 1.64
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.75
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) -1.73 -0.432 0.75
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 19.99

* Based on an €80/tonne carbon price