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 9.51
Milk (kg) -219.00 -0.014 3.07
Fat (kg) -9.13 -0.375 3.42
Prot (kg) -6.85 -0.441 3.02
Fertility Sub Index 6.02
Calving Interval (days) -3.46 -1.459 5.05
Survival (%) 0.87 1.117 0.97
Calving Sub Index 3.04
Gestation Length (days) -3.31 -0.919 3.04
Beef Sub Index 1.66
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index 20.85

* Based on an €80/tonne carbon price