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 4.58
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -7.72 -0.375 2.89
Prot (kg) -0.63 -0.441 0.28
Fertility Sub Index 5.77
Calving Interval (days) -2.87 -1.459 4.19
Survival (%) 1.42 1.117 1.59
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.00
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -0.47 -0.432 0.20
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 22.26

* Based on an €80/tonne carbon price