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 17.06
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -19.24 -0.375 7.21
Prot (kg) -17.75 -0.441 7.83
Fertility Sub Index 2.63
Calving Interval (days) -1.85 -1.459 2.70
Survival (%) -0.06 1.117 -0.07
Calving Sub Index 0.81
Gestation Length (days) -0.88 -0.919 0.81
Beef Sub Index 4.34
Carcass Weight (kg) -6.10 -0.528 3.22
Age of Slaughter (days) -2.59 -0.432 1.12
Maintenance Sub Index Maint. Sub Index 6.62
Live WT (kg) -21.60 -0.307 6.62
Total Carbon Sub Index 31.45

* Based on an €80/tonne carbon price