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 2.33
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -2.01 -0.375 0.75
Prot (kg) -1.70 -0.441 0.75
Fertility Sub Index 2.62
Calving Interval (days) -1.13 -1.459 1.65
Survival (%) 0.87 1.117 0.97
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index 0.67
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 3.77
Live WT (kg) -12.30 -0.307 3.77
Total Carbon Sub Index 14.58

* Based on an €80/tonne carbon price