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 3.95
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -4.59 -0.375 1.72
Prot (kg) -1.72 -0.441 0.76
Fertility Sub Index -3.67
Calving Interval (days) 1.89 -1.459 -2.76
Survival (%) -0.82 1.117 -0.92
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index 0.12
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.27 -0.432 -1.41
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 2.02

* Based on an €80/tonne carbon price