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 10.10
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -10.14 -0.375 3.80
Prot (kg) -8.73 -0.441 3.85
Fertility Sub Index 2.67
Calving Interval (days) -1.25 -1.459 1.82
Survival (%) 0.76 1.117 0.85
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.46
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.59 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index 3.92
Live WT (kg) -12.80 -0.307 3.92
Total Carbon Sub Index 20.86

* Based on an €80/tonne carbon price