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 3.53
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -2.22 -0.375 0.83
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 7.95
Calving Interval (days) -3.59 -1.459 5.24
Survival (%) 2.43 1.117 2.71
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.59
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 20.79

* Based on an €80/tonne carbon price