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 5.99
Milk (kg) -318.00 -0.014 4.45
Fat (kg) 1.36 -0.375 -0.51
Prot (kg) -4.63 -0.441 2.04
Fertility Sub Index 1.79
Calving Interval (days) -0.91 -1.459 1.33
Survival (%) 0.41 1.117 0.46
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.10
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 2.70 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 12.70

* Based on an €80/tonne carbon price