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 20.05
Milk (kg) -412.00 -0.014 5.77
Fat (kg) -21.04 -0.375 7.88
Prot (kg) -14.50 -0.441 6.40
Fertility Sub Index -0.01
Calving Interval (days) -0.82 -1.459 1.20
Survival (%) -1.08 1.117 -1.21
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.28
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.69 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 4.11
Live WT (kg) -13.40 -0.307 4.11
Total Carbon Sub Index 30.40

* Based on an €80/tonne carbon price