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 2.36
Milk (kg) -175.00 -0.014 2.45
Fat (kg) 2.11 -0.375 -0.79
Prot (kg) -1.58 -0.441 0.70
Fertility Sub Index 2.76
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) 0.46 1.117 0.51
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.39
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) -0.05 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 8.52

* Based on an €80/tonne carbon price