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 2.17
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -3.64 -0.375 1.36
Prot (kg) -0.55 -0.441 0.24
Fertility Sub Index -1.25
Calving Interval (days) 0.85 -1.459 -1.24
Survival (%) -0.01 1.117 -0.01
Calving Sub Index -1.53
Gestation Length (days) 1.66 -0.919 -1.53
Beef Sub Index -4.05
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 7.56 -0.432 -3.26
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index -4.39

* Based on an €80/tonne carbon price