Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.60
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -2.45 -0.375 0.92
Prot (kg) -3.67 -0.441 1.62
Fertility Sub Index -0.35
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) -0.35 1.117 -0.39
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.35
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 4.89

* Based on an €80/tonne carbon price