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 10.41
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -7.53 -0.375 2.82
Prot (kg) -11.77 -0.441 5.19
Fertility Sub Index 2.20
Calving Interval (days) -0.13 -1.459 0.19
Survival (%) 1.80 1.117 2.01
Calving Sub Index 1.75
Gestation Length (days) -1.90 -0.919 1.75
Beef Sub Index 1.80
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -0.63 -0.432 0.27
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 18.30

* Based on an €80/tonne carbon price