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 6.18
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -4.29 -0.375 1.61
Prot (kg) -5.22 -0.441 2.30
Fertility Sub Index -1.99
Calving Interval (days) 1.38 -1.459 -2.01
Survival (%) 0.02 1.117 0.02
Calving Sub Index 0.62
Gestation Length (days) -0.67 -0.919 0.62
Beef Sub Index 1.65
Carcass Weight (kg) -10.20 -0.528 5.38
Age of Slaughter (days) 8.64 -0.432 -3.73
Maintenance Sub Index Maint. Sub Index 11.10
Live WT (kg) -36.20 -0.307 11.10
Total Carbon Sub Index 17.55

* Based on an €80/tonne carbon price