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 0.78
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -0.61 -0.375 0.23
Prot (kg) -0.93 -0.441 0.41
Fertility Sub Index 2.46
Calving Interval (days) -1.78 -1.459 2.60
Survival (%) -0.12 1.117 -0.13
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.14
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.41 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 6.65

* Based on an €80/tonne carbon price