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 6.33
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -6.32 -0.375 2.37
Prot (kg) -4.82 -0.441 2.13
Fertility Sub Index -1.52
Calving Interval (days) 1.59 -1.459 -2.32
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.19
Gestation Length (days) -0.21 -0.919 0.19
Beef Sub Index 1.04
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) -0.21 -0.432 0.09
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 8.04

* Based on an €80/tonne carbon price