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 11.38
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -12.02 -0.375 4.50
Prot (kg) -12.69 -0.441 5.60
Fertility Sub Index -5.45
Calving Interval (days) 2.72 -1.459 -3.97
Survival (%) -1.33 1.117 -1.49
Calving Sub Index 0.22
Gestation Length (days) -0.24 -0.919 0.22
Beef Sub Index 1.08
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 2.50 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index 7.50

* Based on an €80/tonne carbon price