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 4.63
Milk (kg) -70.00 -0.014 0.98
Fat (kg) -3.07 -0.375 1.15
Prot (kg) -5.66 -0.441 2.50
Fertility Sub Index -1.11
Calving Interval (days) 0.86 -1.459 -1.25
Survival (%) 0.13 1.117 0.15
Calving Sub Index -1.22
Gestation Length (days) 1.33 -0.919 -1.22
Beef Sub Index -3.60
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 7.84 -0.432 -3.38
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 2.32

* Based on an €80/tonne carbon price