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 4.44
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -3.55 -0.375 1.33
Prot (kg) -4.76 -0.441 2.10
Fertility Sub Index 1.05
Calving Interval (days) -1.86 -1.459 2.71
Survival (%) -1.49 1.117 -1.66
Calving Sub Index -0.54
Gestation Length (days) 0.59 -0.919 -0.54
Beef Sub Index 1.94
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -1.07 -0.432 0.46
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 9.80

* Based on an €80/tonne carbon price