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 13.81
Milk (kg) -200.00 -0.014 2.80
Fat (kg) -16.69 -0.375 6.25
Prot (kg) -10.78 -0.441 4.76
Fertility Sub Index -6.07
Calving Interval (days) 3.48 -1.459 -5.08
Survival (%) -0.89 1.117 -0.99
Calving Sub Index -2.55
Gestation Length (days) 2.77 -0.919 -2.55
Beef Sub Index -1.75
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 0.63 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 5.35

* Based on an €80/tonne carbon price