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 3.70
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -0.09 -0.375 0.03
Prot (kg) -3.38 -0.441 1.49
Fertility Sub Index -3.81
Calving Interval (days) 1.84 -1.459 -2.68
Survival (%) -1.01 1.117 -1.13
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index -0.05
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.81 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 3.03

* Based on an €80/tonne carbon price