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 8.19
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -6.82 -0.375 2.55
Prot (kg) -7.34 -0.441 3.24
Fertility Sub Index 3.16
Calving Interval (days) -3.25 -1.459 4.74
Survival (%) -1.42 1.117 -1.59
Calving Sub Index -1.73
Gestation Length (days) 1.88 -0.919 -1.73
Beef Sub Index 4.04
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -5.07 -0.432 2.19
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 18.46

* Based on an €80/tonne carbon price