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 4.02
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -1.98 -0.375 0.74
Prot (kg) -2.54 -0.441 1.12
Fertility Sub Index 5.75
Calving Interval (days) -2.79 -1.459 4.07
Survival (%) 1.50 1.117 1.68
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.05
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.98 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 20.26

* Based on an €80/tonne carbon price