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 6.11
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -4.04 -0.375 1.51
Prot (kg) -7.38 -0.441 3.26
Fertility Sub Index -6.79
Calving Interval (days) 3.46 -1.459 -5.05
Survival (%) -1.56 1.117 -1.74
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index 0.56
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 4.45 -0.432 -1.92
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 4.35

* Based on an €80/tonne carbon price