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 4.36
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -0.45 -0.375 0.17
Prot (kg) -6.03 -0.441 2.66
Fertility Sub Index 3.73
Calving Interval (days) -2.91 -1.459 4.25
Survival (%) -0.46 1.117 -0.51
Calving Sub Index 3.01
Gestation Length (days) -3.27 -0.919 3.01
Beef Sub Index 1.54
Carcass Weight (kg) -6.90 -0.528 3.64
Age of Slaughter (days) 4.86 -0.432 -2.10
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 16.63

* Based on an €80/tonne carbon price