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 9.79
Milk (kg) -389.00 -0.014 5.45
Fat (kg) -3.05 -0.375 1.14
Prot (kg) -7.26 -0.441 3.20
Fertility Sub Index -2.13
Calving Interval (days) 1.96 -1.459 -2.86
Survival (%) 0.65 1.117 0.73
Calving Sub Index 2.49
Gestation Length (days) -2.71 -0.919 2.49
Beef Sub Index 5.05
Carcass Weight (kg) -13.30 -0.528 7.02
Age of Slaughter (days) 4.55 -0.432 -1.96
Maintenance Sub Index Maint. Sub Index 9.81
Live WT (kg) -32.00 -0.307 9.81
Total Carbon Sub Index 25.02

* Based on an €80/tonne carbon price