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 3.68
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -3.12 -0.375 1.17
Prot (kg) -2.54 -0.441 1.12
Fertility Sub Index 1.20
Calving Interval (days) -0.64 -1.459 0.93
Survival (%) 0.24 1.117 0.27
Calving Sub Index -1.26
Gestation Length (days) 1.37 -0.919 -1.26
Beef Sub Index 0.09
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 5.70

* Based on an €80/tonne carbon price