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 5.30
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -8.49 -0.375 3.18
Prot (kg) -3.82 -0.441 1.69
Fertility Sub Index -3.29
Calving Interval (days) 1.20 -1.459 -1.75
Survival (%) -1.38 1.117 -1.54
Calving Sub Index -0.32
Gestation Length (days) 0.35 -0.919 -0.32
Beef Sub Index -5.87
Carcass Weight (kg) 8.10 -0.528 -4.27
Age of Slaughter (days) 3.70 -0.432 -1.60
Maintenance Sub Index Maint. Sub Index -2.91
Live WT (kg) 9.50 -0.307 -2.91
Total Carbon Sub Index -7.09

* Based on an €80/tonne carbon price