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 2.81
Milk (kg) -47.00 -0.014 0.66
Fat (kg) -1.71 -0.375 0.64
Prot (kg) -3.42 -0.441 1.51
Fertility Sub Index 6.74
Calving Interval (days) -3.94 -1.459 5.75
Survival (%) 0.89 1.117 0.99
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index -0.20
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 12.66

* Based on an €80/tonne carbon price