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 1.20
Milk (kg) -1.00 -0.014 0.01
Fat (kg) -5.27 -0.375 1.97
Prot (kg) 1.79 -0.441 -0.79
Fertility Sub Index -5.16
Calving Interval (days) 2.52 -1.459 -3.68
Survival (%) -1.33 1.117 -1.49
Calving Sub Index 0.05
Gestation Length (days) -0.05 -0.919 0.05
Beef Sub Index -0.71
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 2.74 -0.432 -1.18
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index -2.88

* Based on an €80/tonne carbon price