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 6.28
Milk (kg) -124.00 -0.014 1.74
Fat (kg) -2.81 -0.375 1.05
Prot (kg) -7.90 -0.441 3.49
Fertility Sub Index 0.25
Calving Interval (days) -0.22 -1.459 0.32
Survival (%) -0.06 1.117 -0.07
Calving Sub Index 0.09
Gestation Length (days) -0.10 -0.919 0.09
Beef Sub Index 1.30
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 2.62 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 9.73

* Based on an €80/tonne carbon price