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 5.73
Milk (kg) -70.00 -0.014 0.98
Fat (kg) -5.77 -0.375 2.16
Prot (kg) -5.86 -0.441 2.59
Fertility Sub Index 0.10
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) 0.05 1.117 0.06
Calving Sub Index 0.07
Gestation Length (days) -0.08 -0.919 0.07
Beef Sub Index 0.29
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index -1.01
Live WT (kg) 3.30 -0.307 -1.01
Total Carbon Sub Index 5.18

* Based on an €80/tonne carbon price