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 -1.10
Milk (kg) -56.00 -0.014 0.78
Fat (kg) 4.44 -0.375 -1.66
Prot (kg) 0.50 -0.441 -0.22
Fertility Sub Index -0.28
Calving Interval (days) 0.39 -1.459 -0.57
Survival (%) 0.26 1.117 0.29
Calving Sub Index 0.32
Gestation Length (days) -0.35 -0.919 0.32
Beef Sub Index 0.29
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.68 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index -0.53

* Based on an €80/tonne carbon price