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 9.79
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -8.49 -0.375 3.18
Prot (kg) -9.72 -0.441 4.29
Fertility Sub Index 5.78
Calving Interval (days) -4.19 -1.459 6.11
Survival (%) -0.30 1.117 -0.34
Calving Sub Index 0.81
Gestation Length (days) -0.88 -0.919 0.81
Beef Sub Index 0.10
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.59 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 19.24

* Based on an €80/tonne carbon price