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 2.65
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -0.12 -0.375 0.04
Prot (kg) -2.66 -0.441 1.17
Fertility Sub Index -0.12
Calving Interval (days) -0.17 -1.459 0.25
Survival (%) -0.33 1.117 -0.37
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.70
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 4.26

* Based on an €80/tonne carbon price