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 7.50
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -9.66 -0.375 3.62
Prot (kg) -5.40 -0.441 2.38
Fertility Sub Index 1.25
Calving Interval (days) -1.25 -1.459 1.82
Survival (%) -0.51 1.117 -0.57
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 1.44
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.57 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 13.79

* Based on an €80/tonne carbon price