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 17.60
Milk (kg) -461.00 -0.014 6.45
Fat (kg) -13.64 -0.375 5.11
Prot (kg) -13.68 -0.441 6.04
Fertility Sub Index -6.13
Calving Interval (days) 3.18 -1.459 -4.64
Survival (%) -1.33 1.117 -1.49
Calving Sub Index -0.32
Gestation Length (days) 0.35 -0.919 -0.32
Beef Sub Index 0.23
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) -1.39 -0.432 0.60
Maintenance Sub Index Maint. Sub Index 0.74
Live WT (kg) -2.40 -0.307 0.74
Total Carbon Sub Index 12.12

* Based on an €80/tonne carbon price