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 3.45
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -1.44 -0.375 0.54
Prot (kg) -3.14 -0.441 1.39
Fertility Sub Index 0.86
Calving Interval (days) -0.36 -1.459 0.53
Survival (%) 0.30 1.117 0.34
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.73
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -2.91 -0.432 1.26
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 16.26

* Based on an €80/tonne carbon price