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 1.70
Milk (kg) -94.00 -0.014 1.32
Fat (kg) 0.70 -0.375 -0.26
Prot (kg) -1.46 -0.441 0.64
Fertility Sub Index 3.83
Calving Interval (days) -1.89 -1.459 2.76
Survival (%) 0.96 1.117 1.07
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.19
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.85 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 14.46

* Based on an €80/tonne carbon price