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 3.50
Milk (kg) -44.00 -0.014 0.62
Fat (kg) -2.62 -0.375 0.98
Prot (kg) -4.31 -0.441 1.90
Fertility Sub Index 6.40
Calving Interval (days) -3.85 -1.459 5.62
Survival (%) 0.70 1.117 0.78
Calving Sub Index 0.57
Gestation Length (days) -0.62 -0.919 0.57
Beef Sub Index -0.62
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 2.05 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 12.54

* Based on an €80/tonne carbon price