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 12.02
Milk (kg) -278.00 -0.014 3.89
Fat (kg) -8.63 -0.375 3.23
Prot (kg) -11.10 -0.441 4.90
Fertility Sub Index 8.75
Calving Interval (days) -5.36 -1.459 7.82
Survival (%) 0.83 1.117 0.93
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index -0.66
Carcass Weight (kg) 1.70 -0.528 -0.90
Age of Slaughter (days) -0.54 -0.432 0.23
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 22.40

* Based on an €80/tonne carbon price