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 10.43
Milk (kg) -71.00 -0.014 0.99
Fat (kg) -10.77 -0.375 4.03
Prot (kg) -12.23 -0.441 5.40
Fertility Sub Index -16.42
Calving Interval (days) 8.41 -1.459 -12.27
Survival (%) -3.71 1.117 -4.14
Calving Sub Index 0.85
Gestation Length (days) -0.92 -0.919 0.85
Beef Sub Index 0.05
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.95 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index -4.80

* Based on an €80/tonne carbon price