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 13.83
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -17.42 -0.375 6.52
Prot (kg) -11.35 -0.441 5.01
Fertility Sub Index 2.50
Calving Interval (days) -2.30 -1.459 3.36
Survival (%) -0.77 1.117 -0.86
Calving Sub Index 1.13
Gestation Length (days) -1.23 -0.919 1.13
Beef Sub Index 1.02
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 2.28 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 20.22

* Based on an €80/tonne carbon price