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 1.54
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -0.89 -0.375 0.33
Prot (kg) -1.02 -0.441 0.45
Fertility Sub Index 1.58
Calving Interval (days) -0.77 -1.459 1.12
Survival (%) 0.41 1.117 0.46
Calving Sub Index 4.49
Gestation Length (days) -4.88 -0.919 4.49
Beef Sub Index 3.01
Carcass Weight (kg) -6.95 -0.528 3.67
Age of Slaughter (days) 1.53 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 7.14
Live WT (kg) -23.30 -0.307 7.14
Total Carbon Sub Index 17.75

* Based on an €80/tonne carbon price