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 0.64
Milk (kg) -141.00 -0.014 1.97
Fat (kg) 4.16 -0.375 -1.56
Prot (kg) -0.50 -0.441 0.22
Fertility Sub Index 0.83
Calving Interval (days) -0.35 -1.459 0.51
Survival (%) 0.29 1.117 0.32
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.42
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 6.73

* Based on an €80/tonne carbon price