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 6.96
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -5.14 -0.375 1.93
Prot (kg) -6.05 -0.441 2.67
Fertility Sub Index 4.28
Calving Interval (days) -1.82 -1.459 2.66
Survival (%) 1.45 1.117 1.62
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.71
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 19.19

* Based on an €80/tonne carbon price