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 7.64
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -10.50 -0.375 3.93
Prot (kg) -7.90 -0.441 3.49
Fertility Sub Index -9.72
Calving Interval (days) 4.87 -1.459 -7.11
Survival (%) -2.34 1.117 -2.61
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index -1.02
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 6.15 -0.432 -2.65
Maintenance Sub Index Maint. Sub Index -1.56
Live WT (kg) 5.10 -0.307 -1.56
Total Carbon Sub Index -3.84

* Based on an €80/tonne carbon price