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 16.00
Milk (kg) -257.00 -0.014 3.60
Fat (kg) -16.66 -0.375 6.24
Prot (kg) -13.97 -0.441 6.17
Fertility Sub Index 3.28
Calving Interval (days) -1.82 -1.459 2.66
Survival (%) 0.56 1.117 0.63
Calving Sub Index 0.16
Gestation Length (days) -0.17 -0.919 0.16
Beef Sub Index -1.70
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 2.97 -0.432 -1.28
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 20.04

* Based on an €80/tonne carbon price