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 1.89
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -1.85 -0.375 0.69
Prot (kg) -1.60 -0.441 0.71
Fertility Sub Index 4.89
Calving Interval (days) -2.22 -1.459 3.24
Survival (%) 1.48 1.117 1.65
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.40
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.75 -0.432 -1.19
Maintenance Sub Index Maint. Sub Index 4.72
Live WT (kg) -15.40 -0.307 4.72
Total Carbon Sub Index 15.71

* Based on an €80/tonne carbon price