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 5.61
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -5.48 -0.375 2.05
Prot (kg) -3.78 -0.441 1.67
Fertility Sub Index 5.25
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 1.11 1.117 1.24
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 2.48
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) -3.55 -0.432 1.53
Maintenance Sub Index Maint. Sub Index 5.89
Live WT (kg) -19.20 -0.307 5.89
Total Carbon Sub Index 20.33

* Based on an €80/tonne carbon price