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 2.21
Milk (kg) -7.00 -0.014 0.10
Fat (kg) -1.66 -0.375 0.62
Prot (kg) -3.38 -0.441 1.49
Fertility Sub Index -5.46
Calving Interval (days) 2.66 -1.459 -3.88
Survival (%) -1.41 1.117 -1.58
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.12
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.44 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index -2.42

* Based on an €80/tonne carbon price