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 3.44
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -1.55 -0.375 0.58
Prot (kg) -3.15 -0.441 1.39
Fertility Sub Index 7.17
Calving Interval (days) -3.60 -1.459 5.25
Survival (%) 1.72 1.117 1.92
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.18
Carcass Weight (kg) -2.65 -0.528 1.40
Age of Slaughter (days) 2.81 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 18.40

* Based on an €80/tonne carbon price