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 2.93
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -3.18 -0.375 1.19
Prot (kg) -0.08 -0.441 0.04
Fertility Sub Index 6.38
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 2.12 1.117 2.37
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.24
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.40 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 16.21

* Based on an €80/tonne carbon price