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 13.76
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -15.28 -0.375 5.72
Prot (kg) -12.89 -0.441 5.69
Fertility Sub Index 3.01
Calving Interval (days) -1.68 -1.459 2.45
Survival (%) 0.50 1.117 0.56
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.87
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 0.06 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 4.75
Live WT (kg) -15.50 -0.307 4.75
Total Carbon Sub Index 27.09

* Based on an €80/tonne carbon price