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 6.66
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -4.77 -0.375 1.79
Prot (kg) -5.94 -0.441 2.62
Fertility Sub Index 3.34
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) 0.98 1.117 1.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.15
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 12.34

* Based on an €80/tonne carbon price