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 1.57
Milk (kg) -51.00 -0.014 0.71
Fat (kg) -3.09 -0.375 1.16
Prot (kg) 0.69 -0.441 -0.30
Fertility Sub Index 1.33
Calving Interval (days) -0.40 -1.459 0.58
Survival (%) 0.67 1.117 0.75
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.02
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 5.00
Live WT (kg) -16.30 -0.307 5.00
Total Carbon Sub Index 12.61

* Based on an €80/tonne carbon price