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 4.75
Milk (kg) -277.00 -0.014 3.88
Fat (kg) 2.83 -0.375 -1.06
Prot (kg) -4.37 -0.441 1.93
Fertility Sub Index -1.10
Calving Interval (days) 0.42 -1.459 -0.61
Survival (%) -0.44 1.117 -0.49
Calving Sub Index 1.87
Gestation Length (days) -2.03 -0.919 1.87
Beef Sub Index -0.51
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 0.58 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index -1.41
Live WT (kg) 4.60 -0.307 -1.41
Total Carbon Sub Index 3.58

* Based on an €80/tonne carbon price