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 6.23
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -6.92 -0.375 2.59
Prot (kg) -3.10 -0.441 1.37
Fertility Sub Index 5.22
Calving Interval (days) -2.13 -1.459 3.11
Survival (%) 1.89 1.117 2.11
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.52
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 1.48 -0.432 -0.64
Maintenance Sub Index Maint. Sub Index 3.77
Live WT (kg) -12.30 -0.307 3.77
Total Carbon Sub Index 20.55

* Based on an €80/tonne carbon price