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 1.01
Milk (kg) -125.00 -0.014 1.75
Fat (kg) 4.96 -0.375 -1.86
Prot (kg) -2.54 -0.441 1.12
Fertility Sub Index 1.16
Calving Interval (days) -1.38 -1.459 2.01
Survival (%) -0.76 1.117 -0.85
Calving Sub Index 0.98
Gestation Length (days) -1.07 -0.919 0.98
Beef Sub Index 3.50
Carcass Weight (kg) -7.90 -0.528 4.17
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 11.59

* Based on an €80/tonne carbon price