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 5.28
Milk (kg) -47.00 -0.014 0.66
Fat (kg) -6.93 -0.375 2.60
Prot (kg) -4.60 -0.441 2.03
Fertility Sub Index 0.03
Calving Interval (days) -0.16 -1.459 0.23
Survival (%) -0.18 1.117 -0.20
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.89
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 1.57 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 5.71

* Based on an €80/tonne carbon price