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 3.01
Milk (kg) -173.00 -0.014 2.42
Fat (kg) 1.98 -0.375 -0.74
Prot (kg) -3.01 -0.441 1.33
Fertility Sub Index -2.78
Calving Interval (days) 1.04 -1.459 -1.52
Survival (%) -1.13 1.117 -1.26
Calving Sub Index 0.92
Gestation Length (days) -1.00 -0.919 0.92
Beef Sub Index -0.29
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) 0.42 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index -0.52
Live WT (kg) 1.70 -0.307 -0.52
Total Carbon Sub Index 0.34

* Based on an €80/tonne carbon price