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 0.42
Milk (kg) -18.00 -0.014 0.25
Fat (kg) 0.87 -0.375 -0.33
Prot (kg) -1.13 -0.441 0.50
Fertility Sub Index 1.42
Calving Interval (days) -0.82 -1.459 1.20
Survival (%) 0.20 1.117 0.22
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.29
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 3.02

* Based on an €80/tonne carbon price