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 0.13
Milk (kg) -25.00 -0.014 0.35
Fat (kg) 0.72 -0.375 -0.27
Prot (kg) -0.11 -0.441 0.05
Fertility Sub Index 3.93
Calving Interval (days) -1.98 -1.459 2.89
Survival (%) 0.93 1.117 1.04
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.04
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.65 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 13.73

* Based on an €80/tonne carbon price