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 1.23
Milk (kg) -94.00 -0.014 1.32
Fat (kg) 0.15 -0.375 -0.06
Prot (kg) 0.07 -0.441 -0.03
Fertility Sub Index -3.54
Calving Interval (days) 1.33 -1.459 -1.94
Survival (%) -1.43 1.117 -1.60
Calving Sub Index 0.29
Gestation Length (days) -0.32 -0.919 0.29
Beef Sub Index 5.99
Carcass Weight (kg) -8.70 -0.528 4.59
Age of Slaughter (days) -3.24 -0.432 1.40
Maintenance Sub Index Maint. Sub Index 10.76
Live WT (kg) -35.10 -0.307 10.76
Total Carbon Sub Index 14.74

* Based on an €80/tonne carbon price