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 0.51
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -1.63 -0.375 0.61
Prot (kg) 1.69 -0.441 -0.75
Fertility Sub Index 1.58
Calving Interval (days) -0.53 -1.459 0.77
Survival (%) 0.72 1.117 0.80
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.77
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.27 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 10.81

* Based on an €80/tonne carbon price