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 7.76
Milk (kg) -182.00 -0.014 2.55
Fat (kg) -5.82 -0.375 2.18
Prot (kg) -6.88 -0.441 3.04
Fertility Sub Index -1.20
Calving Interval (days) 1.26 -1.459 -1.84
Survival (%) 0.57 1.117 0.64
Calving Sub Index 3.73
Gestation Length (days) -4.06 -0.919 3.73
Beef Sub Index -3.72
Carcass Weight (kg) 5.30 -0.528 -2.80
Age of Slaughter (days) 2.13 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index -1.32
Live WT (kg) 4.30 -0.307 -1.32
Total Carbon Sub Index 5.26

* Based on an €80/tonne carbon price