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 -2.04
Milk (kg) -58.00 -0.014 0.81
Fat (kg) 4.81 -0.375 -1.80
Prot (kg) 2.39 -0.441 -1.05
Fertility Sub Index -4.21
Calving Interval (days) 2.29 -1.459 -3.34
Survival (%) -0.78 1.117 -0.87
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index -0.90
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 2.32 -0.432 -1.00
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index -6.25

* Based on an €80/tonne carbon price