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 9.80
Milk (kg) -179.00 -0.014 2.51
Fat (kg) -11.08 -0.375 4.15
Prot (kg) -7.13 -0.441 3.15
Fertility Sub Index 5.38
Calving Interval (days) -3.34 -1.459 4.87
Survival (%) 0.45 1.117 0.50
Calving Sub Index 4.02
Gestation Length (days) -4.37 -0.919 4.02
Beef Sub Index -0.68
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 4.88 -0.432 -2.11
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 20.66

* Based on an €80/tonne carbon price