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 7.40
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -6.41 -0.375 2.40
Prot (kg) -6.40 -0.441 2.82
Fertility Sub Index 5.05
Calving Interval (days) -2.47 -1.459 3.60
Survival (%) 1.29 1.117 1.44
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.03
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.86 -0.432 -1.67
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 22.38

* Based on an €80/tonne carbon price