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 10.21
Milk (kg) -316.00 -0.014 4.42
Fat (kg) -10.24 -0.375 3.84
Prot (kg) -4.42 -0.441 1.95
Fertility Sub Index -0.63
Calving Interval (days) -0.22 -1.459 0.32
Survival (%) -0.85 1.117 -0.95
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index 2.01
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 1.20 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 13.25

* Based on an €80/tonne carbon price