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 4.00
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -5.05 -0.375 1.89
Prot (kg) -3.00 -0.441 1.32
Fertility Sub Index 1.00
Calving Interval (days) -0.81 -1.459 1.18
Survival (%) -0.16 1.117 -0.18
Calving Sub Index -0.38
Gestation Length (days) 0.41 -0.919 -0.38
Beef Sub Index 1.81
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) -2.37 -0.432 1.02
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 8.09

* Based on an €80/tonne carbon price