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 5.27
Milk (kg) -47.00 -0.014 0.66
Fat (kg) -4.33 -0.375 1.62
Prot (kg) -6.77 -0.441 2.99
Fertility Sub Index 2.92
Calving Interval (days) -1.93 -1.459 2.82
Survival (%) 0.09 1.117 0.10
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index 0.16
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.80 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index -1.26
Live WT (kg) 4.10 -0.307 -1.26
Total Carbon Sub Index 7.85

* Based on an €80/tonne carbon price