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 1.59
Milk (kg) -7.00 -0.014 0.10
Fat (kg) -3.19 -0.375 1.19
Prot (kg) -0.68 -0.441 0.30
Fertility Sub Index 1.67
Calving Interval (days) -0.24 -1.459 0.35
Survival (%) 1.18 1.117 1.32
Calving Sub Index 0.91
Gestation Length (days) -0.99 -0.919 0.91
Beef Sub Index -1.35
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 4.32

* Based on an €80/tonne carbon price