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 3.87
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -4.89 -0.375 1.83
Prot (kg) -2.65 -0.441 1.17
Fertility Sub Index 2.20
Calving Interval (days) -1.02 -1.459 1.49
Survival (%) 0.64 1.117 0.72
Calving Sub Index -1.50
Gestation Length (days) 1.63 -0.919 -1.50
Beef Sub Index -1.36
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 5.22 -0.432 -2.25
Maintenance Sub Index Maint. Sub Index 5.67
Live WT (kg) -18.50 -0.307 5.67
Total Carbon Sub Index 8.88

* Based on an €80/tonne carbon price