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 2.39
Milk (kg) -129.00 -0.014 1.81
Fat (kg) 1.43 -0.375 -0.54
Prot (kg) -2.54 -0.441 1.12
Fertility Sub Index 4.90
Calving Interval (days) -3.04 -1.459 4.44
Survival (%) 0.42 1.117 0.47
Calving Sub Index 2.76
Gestation Length (days) -3.00 -0.919 2.76
Beef Sub Index 2.22
Carcass Weight (kg) -7.00 -0.528 3.69
Age of Slaughter (days) 3.42 -0.432 -1.48
Maintenance Sub Index Maint. Sub Index 5.82
Live WT (kg) -19.00 -0.307 5.82
Total Carbon Sub Index 18.09

* Based on an €80/tonne carbon price