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 4.13
Milk (kg) -64.00 -0.014 0.90
Fat (kg) -3.83 -0.375 1.43
Prot (kg) -4.07 -0.441 1.80
Fertility Sub Index -0.13
Calving Interval (days) -0.13 -1.459 0.19
Survival (%) -0.29 1.117 -0.32
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.20
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 4.39

* Based on an €80/tonne carbon price