Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 7.32
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -6.13 -0.375 2.30
Prot (kg) -6.91 -0.441 3.05
Fertility Sub Index 1.04
Calving Interval (days) -1.12 -1.459 1.63
Survival (%) -0.53 1.117 -0.59
Calving Sub Index 0.17
Gestation Length (days) -0.18 -0.919 0.17
Beef Sub Index 1.95
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 0.37 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 14.31

* Based on an €80/tonne carbon price