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 -0.60
Milk (kg) -50.00 -0.014 0.70
Fat (kg) 2.74 -0.375 -1.03
Prot (kg) 0.61 -0.441 -0.27
Fertility Sub Index -3.42
Calving Interval (days) 0.16 -1.459 -0.23
Survival (%) -2.85 1.117 -3.18
Calving Sub Index -0.99
Gestation Length (days) 1.08 -0.919 -0.99
Beef Sub Index -5.67
Carcass Weight (kg) 6.00 -0.528 -3.17
Age of Slaughter (days) 5.80 -0.432 -2.50
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index -8.80

* Based on an €80/tonne carbon price