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 12.16
Milk (kg) -225.00 -0.014 3.15
Fat (kg) -11.42 -0.375 4.28
Prot (kg) -10.73 -0.441 4.74
Fertility Sub Index -1.36
Calving Interval (days) 0.50 -1.459 -0.73
Survival (%) -0.56 1.117 -0.63
Calving Sub Index 1.05
Gestation Length (days) -1.14 -0.919 1.05
Beef Sub Index -0.64
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 4.90 -0.432 -2.12
Maintenance Sub Index Maint. Sub Index 5.61
Live WT (kg) -18.30 -0.307 5.61
Total Carbon Sub Index 16.83

* Based on an €80/tonne carbon price