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 4.03
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -3.40 -0.375 1.27
Prot (kg) -2.03 -0.441 0.90
Fertility Sub Index -0.54
Calving Interval (days) 0.53 -1.459 -0.77
Survival (%) 0.21 1.117 0.23
Calving Sub Index 0.87
Gestation Length (days) -0.95 -0.919 0.87
Beef Sub Index -2.45
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 8.25 -0.432 -3.56
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 3.35

* Based on an €80/tonne carbon price