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 6.48
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -5.55 -0.375 2.08
Prot (kg) -5.09 -0.441 2.25
Fertility Sub Index 6.42
Calving Interval (days) -3.71 -1.459 5.41
Survival (%) 0.90 1.117 1.01
Calving Sub Index 0.54
Gestation Length (days) -0.59 -0.919 0.54
Beef Sub Index 0.74
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.10 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 17.77

* Based on an €80/tonne carbon price