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 4.62
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -8.77 -0.375 3.28
Prot (kg) -2.48 -0.441 1.09
Fertility Sub Index 0.18
Calving Interval (days) 0.07 -1.459 -0.10
Survival (%) 0.25 1.117 0.28
Calving Sub Index -1.99
Gestation Length (days) 2.16 -0.919 -1.99
Beef Sub Index -5.18
Carcass Weight (kg) 13.10 -0.528 -6.91
Age of Slaughter (days) -4.01 -0.432 1.73
Maintenance Sub Index Maint. Sub Index -6.22
Live WT (kg) 20.30 -0.307 -6.22
Total Carbon Sub Index -8.59

* Based on an €80/tonne carbon price