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 15.03
Milk (kg) -276.00 -0.014 3.86
Fat (kg) -13.97 -0.375 5.23
Prot (kg) -13.45 -0.441 5.94
Fertility Sub Index -1.69
Calving Interval (days) 1.25 -1.459 -1.82
Survival (%) 0.12 1.117 0.13
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index 2.78
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 0.41 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 16.78

* Based on an €80/tonne carbon price