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 10.56
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -10.86 -0.375 4.07
Prot (kg) -9.89 -0.441 4.37
Fertility Sub Index 0.63
Calving Interval (days) -0.04 -1.459 0.06
Survival (%) 0.51 1.117 0.57
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.74
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.24 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 4.41
Live WT (kg) -14.40 -0.307 4.41
Total Carbon Sub Index 21.04

* Based on an €80/tonne carbon price