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 4.92
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -4.51 -0.375 1.69
Prot (kg) -4.40 -0.441 1.94
Fertility Sub Index -2.98
Calving Interval (days) 1.45 -1.459 -2.12
Survival (%) -0.77 1.117 -0.86
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 0.91
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.06 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 5.92
Live WT (kg) -19.30 -0.307 5.92
Total Carbon Sub Index 12.55

* Based on an €80/tonne carbon price