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 5.70
Milk (kg) -348.00 -0.014 4.87
Fat (kg) 4.75 -0.375 -1.78
Prot (kg) -5.90 -0.441 2.60
Fertility Sub Index 5.15
Calving Interval (days) -2.83 -1.459 4.13
Survival (%) 0.91 1.117 1.02
Calving Sub Index 0.78
Gestation Length (days) -0.85 -0.919 0.78
Beef Sub Index -1.92
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 8.35 -0.432 -3.60
Maintenance Sub Index Maint. Sub Index 6.99
Live WT (kg) -22.80 -0.307 6.99
Total Carbon Sub Index 16.69

* Based on an €80/tonne carbon price