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 17.71
Milk (kg) -275.00 -0.014 3.85
Fat (kg) -17.15 -0.375 6.42
Prot (kg) -16.85 -0.441 7.44
Fertility Sub Index 3.43
Calving Interval (days) -2.91 -1.459 4.25
Survival (%) -0.73 1.117 -0.82
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index 0.06
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) -0.27 -0.432 0.12
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 23.72

* Based on an €80/tonne carbon price