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 5.17
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -4.13 -0.375 1.55
Prot (kg) -5.38 -0.441 2.37
Fertility Sub Index 2.73
Calving Interval (days) -1.36 -1.459 1.98
Survival (%) 0.67 1.117 0.75
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.44
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.95 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 19.02

* Based on an €80/tonne carbon price