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 12.88
Milk (kg) -263.00 -0.014 3.68
Fat (kg) -11.53 -0.375 4.32
Prot (kg) -11.05 -0.441 4.88
Fertility Sub Index 6.80
Calving Interval (days) -4.25 -1.459 6.20
Survival (%) 0.54 1.117 0.60
Calving Sub Index -0.19
Gestation Length (days) 0.21 -0.919 -0.19
Beef Sub Index 0.96
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.70 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 22.08

* Based on an €80/tonne carbon price