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 5.63
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -4.95 -0.375 1.85
Prot (kg) -4.85 -0.441 2.14
Fertility Sub Index 0.33
Calving Interval (days) 0.01 -1.459 -0.01
Survival (%) 0.31 1.117 0.35
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.52
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.71 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 14.80

* Based on an €80/tonne carbon price