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 5.02
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -4.20 -0.375 1.57
Prot (kg) -4.50 -0.441 1.99
Fertility Sub Index -7.11
Calving Interval (days) 3.44 -1.459 -5.02
Survival (%) -1.87 1.117 -2.09
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.11
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 0.85 -0.432 -0.37
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index -1.43

* Based on an €80/tonne carbon price