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 4.82
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -5.02 -0.375 1.88
Prot (kg) -4.38 -0.441 1.93
Fertility Sub Index -0.04
Calving Interval (days) -0.05 -1.459 0.07
Survival (%) -0.10 1.117 -0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.04
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index 5.53

* Based on an €80/tonne carbon price