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 11.67
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -12.73 -0.375 4.77
Prot (kg) -10.76 -0.441 4.75
Fertility Sub Index -2.35
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) -3.02 1.117 -3.37
Calving Sub Index -3.80
Gestation Length (days) 4.13 -0.919 -3.80
Beef Sub Index -1.18
Carcass Weight (kg) 3.50 -0.528 -1.85
Age of Slaughter (days) -1.55 -0.432 0.67
Maintenance Sub Index Maint. Sub Index -1.56
Live WT (kg) 5.10 -0.307 -1.56
Total Carbon Sub Index 2.79

* Based on an €80/tonne carbon price