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 7.28
Milk (kg) 3.00 -0.014 -0.04
Fat (kg) -12.54 -0.375 4.70
Prot (kg) -5.94 -0.441 2.62
Fertility Sub Index -2.14
Calving Interval (days) 1.55 -1.459 -2.26
Survival (%) 0.11 1.117 0.12
Calving Sub Index -0.51
Gestation Length (days) 0.55 -0.919 -0.51
Beef Sub Index 1.87
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -0.06 -0.432 0.03
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 9.60

* Based on an €80/tonne carbon price