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 4.01
Milk (kg) -52.00 -0.014 0.73
Fat (kg) -2.01 -0.375 0.75
Prot (kg) -5.73 -0.441 2.53
Fertility Sub Index 1.19
Calving Interval (days) -1.00 -1.459 1.46
Survival (%) -0.24 1.117 -0.27
Calving Sub Index -0.01
Gestation Length (days) 0.01 -0.919 -0.01
Beef Sub Index 1.80
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 7.24

* Based on an €80/tonne carbon price