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 3.77
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) -4.72 -0.375 1.77
Prot (kg) -4.78 -0.441 2.11
Fertility Sub Index 7.23
Calving Interval (days) -3.96 -1.459 5.78
Survival (%) 1.30 1.117 1.45
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index 2.91
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) -0.62 -0.432 0.27
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 18.54

* Based on an €80/tonne carbon price