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 9.50
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -10.42 -0.375 3.90
Prot (kg) -7.76 -0.441 3.42
Fertility Sub Index 1.24
Calving Interval (days) 0.57 -1.459 -0.83
Survival (%) 1.85 1.117 2.07
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.14
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 18.54

* Based on an €80/tonne carbon price