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) -81.00 -0.014 1.13
Fat (kg) -1.64 -0.375 0.61
Prot (kg) -5.40 -0.441 2.38
Fertility Sub Index 0.25
Calving Interval (days) -0.26 -1.459 0.38
Survival (%) -0.12 1.117 -0.13
Calving Sub Index -0.42
Gestation Length (days) 0.46 -0.919 -0.42
Beef Sub Index 0.22
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 0.77
Live WT (kg) -2.50 -0.307 0.77
Total Carbon Sub Index 4.93

* Based on an €80/tonne carbon price