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 9.28
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -13.77 -0.375 5.16
Prot (kg) -7.03 -0.441 3.10
Fertility Sub Index -6.02
Calving Interval (days) 3.01 -1.459 -4.39
Survival (%) -1.46 1.117 -1.63
Calving Sub Index -1.62
Gestation Length (days) 1.76 -0.919 -1.62
Beef Sub Index -3.34
Carcass Weight (kg) 5.50 -0.528 -2.90
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index -2.85
Live WT (kg) 9.30 -0.307 -2.85
Total Carbon Sub Index -4.56

* Based on an €80/tonne carbon price