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 21.26
Milk (kg) -442.00 -0.014 6.19
Fat (kg) -17.84 -0.375 6.68
Prot (kg) -19.02 -0.441 8.39
Fertility Sub Index 3.83
Calving Interval (days) -2.09 -1.459 3.05
Survival (%) 0.70 1.117 0.78
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 0.05
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 3.91 -0.432 -1.69
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 29.71

* Based on an €80/tonne carbon price