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 1.68
Milk (kg) 22.00 -0.014 -0.31
Fat (kg) -3.29 -0.375 1.23
Prot (kg) -1.71 -0.441 0.75
Fertility Sub Index -8.40
Calving Interval (days) 3.81 -1.459 -5.56
Survival (%) -2.54 1.117 -2.84
Calving Sub Index 1.04
Gestation Length (days) -1.13 -0.919 1.04
Beef Sub Index 1.42
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) 2.83 -0.432 -1.22
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index -3.35

* Based on an €80/tonne carbon price