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 3.34
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -4.33 -0.375 1.62
Prot (kg) -3.70 -0.441 1.63
Fertility Sub Index -8.67
Calving Interval (days) 4.81 -1.459 -7.02
Survival (%) -1.48 1.117 -1.65
Calving Sub Index 1.26
Gestation Length (days) -1.37 -0.919 1.26
Beef Sub Index -0.04
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 4.25 -0.432 -1.83
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index -2.37

* Based on an €80/tonne carbon price