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 3.00
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -0.42 -0.375 0.16
Prot (kg) -2.57 -0.441 1.13
Fertility Sub Index 7.08
Calving Interval (days) -4.07 -1.459 5.94
Survival (%) 1.02 1.117 1.14
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 0.81
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 3.56
Live WT (kg) -11.60 -0.307 3.56
Total Carbon Sub Index 15.26

* Based on an €80/tonne carbon price