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 15.23
Milk (kg) -305.00 -0.014 4.27
Fat (kg) -14.91 -0.375 5.58
Prot (kg) -12.17 -0.441 5.37
Fertility Sub Index 0.62
Calving Interval (days) 0.05 -1.459 -0.07
Survival (%) 0.62 1.117 0.69
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.14
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 2.61 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 27.19

* Based on an €80/tonne carbon price