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 5.89
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -6.12 -0.375 2.29
Prot (kg) -3.40 -0.441 1.50
Fertility Sub Index 3.11
Calving Interval (days) -1.67 -1.459 2.44
Survival (%) 0.60 1.117 0.67
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.24
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 17.48

* Based on an €80/tonne carbon price