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 3.29
Milk (kg) -71.00 -0.014 0.99
Fat (kg) -2.69 -0.375 1.01
Prot (kg) -2.92 -0.441 1.29
Fertility Sub Index 1.32
Calving Interval (days) -0.76 -1.459 1.11
Survival (%) 0.19 1.117 0.21
Calving Sub Index 0.29
Gestation Length (days) -0.32 -0.919 0.29
Beef Sub Index 1.83
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) -1.55 -0.432 0.67
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 12.37

* Based on an €80/tonne carbon price