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 7.59
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -6.58 -0.375 2.46
Prot (kg) -6.00 -0.441 2.65
Fertility Sub Index -1.96
Calving Interval (days) 1.10 -1.459 -1.60
Survival (%) -0.32 1.117 -0.36
Calving Sub Index 0.68
Gestation Length (days) -0.74 -0.919 0.68
Beef Sub Index 0.23
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.89 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 9.04

* Based on an €80/tonne carbon price