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 3.69
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -0.62 -0.375 0.23
Prot (kg) -2.98 -0.441 1.32
Fertility Sub Index 5.35
Calving Interval (days) -2.61 -1.459 3.81
Survival (%) 1.38 1.117 1.54
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.40
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.04 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 18.97

* Based on an €80/tonne carbon price