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 4.40
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -3.65 -0.375 1.37
Prot (kg) -3.99 -0.441 1.76
Fertility Sub Index 6.08
Calving Interval (days) -3.31 -1.459 4.83
Survival (%) 1.12 1.117 1.25
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index -0.45
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 1.52 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 12.19

* Based on an €80/tonne carbon price