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 0.62
Milk (kg) -14.00 -0.014 0.20
Fat (kg) 3.59 -0.375 -1.34
Prot (kg) -4.01 -0.441 1.77
Fertility Sub Index 8.27
Calving Interval (days) -4.50 -1.459 6.57
Survival (%) 1.53 1.117 1.71
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index -0.66
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 3.12 -0.432 -1.35
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 11.07

* Based on an €80/tonne carbon price