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 2.56
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -0.09 -0.375 0.03
Prot (kg) -0.88 -0.441 0.39
Fertility Sub Index 2.44
Calving Interval (days) -1.35 -1.459 1.97
Survival (%) 0.42 1.117 0.47
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 3.59
Carcass Weight (kg) -7.10 -0.528 3.75
Age of Slaughter (days) 0.35 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 11.88

* Based on an €80/tonne carbon price