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 21.32
Milk (kg) -490.00 -0.014 6.86
Fat (kg) -22.83 -0.375 8.55
Prot (kg) -13.39 -0.441 5.91
Fertility Sub Index 5.39
Calving Interval (days) -2.51 -1.459 3.66
Survival (%) 1.55 1.117 1.73
Calving Sub Index 1.55
Gestation Length (days) -1.69 -0.919 1.55
Beef Sub Index 2.88
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -3.73 -0.432 1.61
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 37.64

* Based on an €80/tonne carbon price