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 5.08
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -4.59 -0.375 1.72
Prot (kg) -4.54 -0.441 2.00
Fertility Sub Index 1.81
Calving Interval (days) -0.68 -1.459 0.99
Survival (%) 0.73 1.117 0.82
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.97
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -1.15 -0.432 0.50
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 18.68

* Based on an €80/tonne carbon price