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 3.01
Milk (kg) -120.00 -0.014 1.68
Fat (kg) 0.83 -0.375 -0.31
Prot (kg) -3.72 -0.441 1.64
Fertility Sub Index -1.25
Calving Interval (days) 0.78 -1.459 -1.14
Survival (%) -0.10 1.117 -0.11
Calving Sub Index 0.26
Gestation Length (days) -0.28 -0.919 0.26
Beef Sub Index 0.70
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 0.95 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 4.37

* Based on an €80/tonne carbon price