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 14.75
Milk (kg) -268.00 -0.014 3.75
Fat (kg) -13.68 -0.375 5.12
Prot (kg) -13.32 -0.441 5.88
Fertility Sub Index 6.40
Calving Interval (days) -3.88 -1.459 5.66
Survival (%) 0.66 1.117 0.74
Calving Sub Index 0.17
Gestation Length (days) -0.18 -0.919 0.17
Beef Sub Index -1.64
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 3.68 -0.432 -1.59
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 22.18

* Based on an €80/tonne carbon price