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 8.07
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -7.61 -0.375 2.85
Prot (kg) -6.91 -0.441 3.05
Fertility Sub Index 0.74
Calving Interval (days) -0.27 -1.459 0.39
Survival (%) 0.31 1.117 0.35
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.08
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.41 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index 3.92
Live WT (kg) -12.80 -0.307 3.92
Total Carbon Sub Index 17.51

* Based on an €80/tonne carbon price