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 3.01
Milk (kg) -101.00 -0.014 1.41
Fat (kg) 2.49 -0.375 -0.93
Prot (kg) -5.72 -0.441 2.52
Fertility Sub Index 1.13
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) 0.10 1.117 0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.44
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 6.68

* Based on an €80/tonne carbon price