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 7.85
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -4.74 -0.375 1.78
Prot (kg) -8.21 -0.441 3.62
Fertility Sub Index 0.24
Calving Interval (days) -0.37 -1.459 0.54
Survival (%) -0.27 1.117 -0.30
Calving Sub Index 0.29
Gestation Length (days) -0.32 -0.919 0.29
Beef Sub Index -1.38
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index -2.30
Live WT (kg) 7.50 -0.307 -2.30
Total Carbon Sub Index 4.70

* Based on an €80/tonne carbon price