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 4.60
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -2.59 -0.375 0.97
Prot (kg) -3.54 -0.441 1.56
Fertility Sub Index -12.69
Calving Interval (days) 6.48 -1.459 -9.45
Survival (%) -2.90 1.117 -3.24
Calving Sub Index 1.26
Gestation Length (days) -1.37 -0.919 1.26
Beef Sub Index 0.04
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.82 -0.432 -1.65
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index -5.54

* Based on an €80/tonne carbon price