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 11.14
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -13.96 -0.375 5.23
Prot (kg) -8.90 -0.441 3.93
Fertility Sub Index -2.27
Calving Interval (days) 0.87 -1.459 -1.27
Survival (%) -0.90 1.117 -1.01
Calving Sub Index -2.19
Gestation Length (days) 2.38 -0.919 -2.19
Beef Sub Index -5.15
Carcass Weight (kg) 9.30 -0.528 -4.91
Age of Slaughter (days) 0.57 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index -2.97
Live WT (kg) 9.70 -0.307 -2.97
Total Carbon Sub Index -1.45

* Based on an €80/tonne carbon price