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 8.77
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -7.82 -0.375 2.93
Prot (kg) -7.87 -0.441 3.47
Fertility Sub Index 2.13
Calving Interval (days) -0.97 -1.459 1.42
Survival (%) 0.64 1.117 0.72
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index 0.52
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 2.94 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 12.44

* Based on an €80/tonne carbon price