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 6.56
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -5.37 -0.375 2.01
Prot (kg) -5.84 -0.441 2.58
Fertility Sub Index 1.69
Calving Interval (days) -0.91 -1.459 1.33
Survival (%) 0.32 1.117 0.36
Calving Sub Index 0.80
Gestation Length (days) -0.87 -0.919 0.80
Beef Sub Index 0.78
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 0.02 -0.432 -0.01
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 14.40

* Based on an €80/tonne carbon price