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 7.81
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -13.65 -0.375 5.11
Prot (kg) -1.52 -0.441 0.67
Fertility Sub Index -1.01
Calving Interval (days) 1.25 -1.459 -1.82
Survival (%) 0.73 1.117 0.82
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.32
Carcass Weight (kg) 2.30 -0.528 -1.21
Age of Slaughter (days) -3.55 -0.432 1.53
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 11.08

* Based on an €80/tonne carbon price