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 2.81
Milk (kg) -50.00 -0.014 0.70
Fat (kg) -2.81 -0.375 1.05
Prot (kg) -2.40 -0.441 1.06
Fertility Sub Index 2.54
Calving Interval (days) -0.86 -1.459 1.25
Survival (%) 1.15 1.117 1.28
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index -0.38
Carcass Weight (kg) 1.10 -0.528 -0.58
Age of Slaughter (days) -0.47 -0.432 0.20
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 12.85

* Based on an €80/tonne carbon price