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 2.78
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -3.16 -0.375 1.18
Prot (kg) -2.39 -0.441 1.05
Fertility Sub Index 7.32
Calving Interval (days) -3.23 -1.459 4.71
Survival (%) 2.33 1.117 2.60
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.22
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.91 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 16.97

* Based on an €80/tonne carbon price