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 4.77
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -2.98 -0.375 1.12
Prot (kg) -2.67 -0.441 1.18
Fertility Sub Index 8.40
Calving Interval (days) -5.00 -1.459 7.30
Survival (%) 0.99 1.117 1.11
Calving Sub Index 1.52
Gestation Length (days) -1.65 -0.919 1.52
Beef Sub Index -1.04
Carcass Weight (kg) 3.10 -0.528 -1.64
Age of Slaughter (days) -1.39 -0.432 0.60
Maintenance Sub Index Maint. Sub Index -1.59
Live WT (kg) 5.20 -0.307 -1.59
Total Carbon Sub Index 12.06

* Based on an €80/tonne carbon price