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 1.65
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -0.60 -0.375 0.22
Prot (kg) -1.42 -0.441 0.63
Fertility Sub Index 1.39
Calving Interval (days) -0.57 -1.459 0.83
Survival (%) 0.50 1.117 0.56
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.49
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -1.97 -0.432 0.85
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 15.60

* Based on an €80/tonne carbon price