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 6.23
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -3.78 -0.375 1.42
Prot (kg) -7.42 -0.441 3.27
Fertility Sub Index -4.05
Calving Interval (days) 2.14 -1.459 -3.12
Survival (%) -0.83 1.117 -0.93
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index -0.85
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 3.80 -0.432 -1.64
Maintenance Sub Index Maint. Sub Index -1.35
Live WT (kg) 4.40 -0.307 -1.35
Total Carbon Sub Index 0.82

* Based on an €80/tonne carbon price