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 3.03
Milk (kg) -47.00 -0.014 0.66
Fat (kg) -3.93 -0.375 1.47
Prot (kg) -2.05 -0.441 0.90
Fertility Sub Index -3.87
Calving Interval (days) 1.12 -1.459 -1.63
Survival (%) -2.00 1.117 -2.23
Calving Sub Index 1.11
Gestation Length (days) -1.21 -0.919 1.11
Beef Sub Index 1.73
Carcass Weight (kg) -6.30 -0.528 3.32
Age of Slaughter (days) 3.70 -0.432 -1.60
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 8.25

* Based on an €80/tonne carbon price