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 4.00
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -2.76 -0.375 1.03
Prot (kg) -3.14 -0.441 1.39
Fertility Sub Index 5.25
Calving Interval (days) -2.99 -1.459 4.36
Survival (%) 0.79 1.117 0.88
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index 0.75
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.43 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 13.46

* Based on an €80/tonne carbon price