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 9.58
Milk (kg) -196.00 -0.014 2.74
Fat (kg) -8.33 -0.375 3.12
Prot (kg) -8.41 -0.441 3.71
Fertility Sub Index 2.74
Calving Interval (days) -2.57 -1.459 3.75
Survival (%) -0.90 1.117 -1.01
Calving Sub Index -1.73
Gestation Length (days) 1.88 -0.919 -1.73
Beef Sub Index 1.43
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) -0.74 -0.432 0.32
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 13.64

* Based on an €80/tonne carbon price