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 7.10
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -1.66 -0.375 0.62
Prot (kg) -10.39 -0.441 4.59
Fertility Sub Index 1.98
Calving Interval (days) -1.13 -1.459 1.65
Survival (%) 0.30 1.117 0.34
Calving Sub Index -0.89
Gestation Length (days) 0.97 -0.919 -0.89
Beef Sub Index -1.34
Carcass Weight (kg) 1.30 -0.528 -0.69
Age of Slaughter (days) 1.51 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 0.89
Live WT (kg) -2.90 -0.307 0.89
Total Carbon Sub Index 7.74

* Based on an €80/tonne carbon price