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 4.80
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -3.87 -0.375 1.45
Prot (kg) -4.93 -0.441 2.18
Fertility Sub Index 0.48
Calving Interval (days) 0.12 -1.459 -0.18
Survival (%) 0.59 1.117 0.66
Calving Sub Index 1.12
Gestation Length (days) -1.22 -0.919 1.12
Beef Sub Index 1.92
Carcass Weight (kg) -7.10 -0.528 3.75
Age of Slaughter (days) 4.22 -0.432 -1.82
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 13.88

* Based on an €80/tonne carbon price