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 11.16
Milk (kg) -250.00 -0.014 3.50
Fat (kg) -8.36 -0.375 3.13
Prot (kg) -10.25 -0.441 4.52
Fertility Sub Index 7.25
Calving Interval (days) -5.33 -1.459 7.78
Survival (%) -0.47 1.117 -0.53
Calving Sub Index -0.59
Gestation Length (days) 0.64 -0.919 -0.59
Beef Sub Index 3.71
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) -1.39 -0.432 0.60
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 23.71

* Based on an €80/tonne carbon price