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 1.88
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) -2.12 -0.375 0.79
Prot (kg) -2.74 -0.441 1.21
Fertility Sub Index 3.62
Calving Interval (days) -1.85 -1.459 2.70
Survival (%) 0.82 1.117 0.92
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.94
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.99 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 15.33

* Based on an €80/tonne carbon price