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 8.99
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -10.32 -0.375 3.87
Prot (kg) -6.50 -0.441 2.87
Fertility Sub Index 5.08
Calving Interval (days) -2.51 -1.459 3.66
Survival (%) 1.27 1.117 1.42
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.06
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.45 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 4.32
Live WT (kg) -14.10 -0.307 4.32
Total Carbon Sub Index 23.27

* Based on an €80/tonne carbon price