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 2.26
Milk (kg) -120.00 -0.014 1.68
Fat (kg) -0.87 -0.375 0.33
Prot (kg) -0.58 -0.441 0.26
Fertility Sub Index 0.30
Calving Interval (days) -0.59 -1.459 0.86
Survival (%) -0.50 1.117 -0.56
Calving Sub Index 1.32
Gestation Length (days) -1.44 -0.919 1.32
Beef Sub Index 3.00
Carcass Weight (kg) -7.60 -0.528 4.01
Age of Slaughter (days) 2.33 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 7.30
Live WT (kg) -23.80 -0.307 7.30
Total Carbon Sub Index 14.19

* Based on an €80/tonne carbon price