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 4.14
Milk (kg) -52.00 -0.014 0.73
Fat (kg) -6.53 -0.375 2.45
Prot (kg) -2.18 -0.441 0.96
Fertility Sub Index 6.93
Calving Interval (days) -4.79 -1.459 6.99
Survival (%) -0.05 1.117 -0.06
Calving Sub Index -0.37
Gestation Length (days) 0.40 -0.919 -0.37
Beef Sub Index 2.10
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -1.80 -0.432 0.78
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 18.59

* Based on an €80/tonne carbon price