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 3.34
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -3.29 -0.375 1.23
Prot (kg) -2.80 -0.441 1.24
Fertility Sub Index 2.42
Calving Interval (days) -1.47 -1.459 2.14
Survival (%) 0.25 1.117 0.28
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.92
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 2.14 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 5.21
Live WT (kg) -17.00 -0.307 5.21
Total Carbon Sub Index 16.59

* Based on an €80/tonne carbon price