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 20.14
Milk (kg) -421.00 -0.014 5.89
Fat (kg) -18.03 -0.375 6.75
Prot (kg) -16.97 -0.441 7.49
Fertility Sub Index -1.35
Calving Interval (days) 1.25 -1.459 -1.82
Survival (%) 0.42 1.117 0.47
Calving Sub Index -0.99
Gestation Length (days) 1.08 -0.919 -0.99
Beef Sub Index -4.23
Carcass Weight (kg) 4.10 -0.528 -2.16
Age of Slaughter (days) 4.78 -0.432 -2.06
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 15.04

* Based on an €80/tonne carbon price