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 9.60
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -7.17 -0.375 2.69
Prot (kg) -11.39 -0.441 5.03
Fertility Sub Index 8.55
Calving Interval (days) -4.27 -1.459 6.23
Survival (%) 2.08 1.117 2.32
Calving Sub Index -0.06
Gestation Length (days) 0.07 -0.919 -0.06
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 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 20.84

* Based on an €80/tonne carbon price