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 9.02
Milk (kg) -179.00 -0.014 2.51
Fat (kg) -7.57 -0.375 2.84
Prot (kg) -8.33 -0.441 3.68
Fertility Sub Index 2.27
Calving Interval (days) -0.96 -1.459 1.40
Survival (%) 0.78 1.117 0.87
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index 0.23
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.17 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 12.71

* Based on an €80/tonne carbon price