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 12.59
Milk (kg) -334.00 -0.014 4.68
Fat (kg) -6.07 -0.375 2.27
Prot (kg) -12.77 -0.441 5.64
Fertility Sub Index 5.10
Calving Interval (days) -3.39 -1.459 4.95
Survival (%) 0.14 1.117 0.16
Calving Sub Index 1.24
Gestation Length (days) -1.35 -0.919 1.24
Beef Sub Index 0.28
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.54 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 23.01

* Based on an €80/tonne carbon price