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 3.21
Milk (kg) -70.00 -0.014 0.98
Fat (kg) -1.66 -0.375 0.62
Prot (kg) -3.64 -0.441 1.61
Fertility Sub Index 0.50
Calving Interval (days) -0.32 -1.459 0.47
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.32
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 1.72 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 3.84

* Based on an €80/tonne carbon price