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 5.82
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -6.92 -0.375 2.59
Prot (kg) -2.62 -0.441 1.16
Fertility Sub Index 8.01
Calving Interval (days) -4.06 -1.459 5.92
Survival (%) 1.87 1.117 2.09
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.27
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 3.30 -0.432 -1.42
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 24.20

* Based on an €80/tonne carbon price