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 6.15
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -5.43 -0.375 2.03
Prot (kg) -4.44 -0.441 1.96
Fertility Sub Index 2.96
Calving Interval (days) -1.53 -1.459 2.23
Survival (%) 0.65 1.117 0.73
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.33
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.44 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 10.89

* Based on an €80/tonne carbon price