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 5.84
Milk (kg) -196.00 -0.014 2.74
Fat (kg) -3.76 -0.375 1.41
Prot (kg) -3.82 -0.441 1.69
Fertility Sub Index 4.75
Calving Interval (days) -2.72 -1.459 3.97
Survival (%) 0.70 1.117 0.78
Calving Sub Index 0.23
Gestation Length (days) -0.25 -0.919 0.23
Beef Sub Index 1.04
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 15.26

* Based on an €80/tonne carbon price