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 5.60
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -4.74 -0.375 1.78
Prot (kg) -5.74 -0.441 2.53
Fertility Sub Index 0.14
Calving Interval (days) 0.01 -1.459 -0.01
Survival (%) 0.14 1.117 0.16
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.02
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 4.48 -0.432 -1.93
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 14.14

* Based on an €80/tonne carbon price