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 1.79
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -0.91 -0.375 0.34
Prot (kg) -0.77 -0.441 0.34
Fertility Sub Index 7.21
Calving Interval (days) -3.41 -1.459 4.98
Survival (%) 2.00 1.117 2.23
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.37
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -1.21 -0.432 0.52
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 21.54

* Based on an €80/tonne carbon price