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 2.14
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -2.26 -0.375 0.85
Prot (kg) 0.52 -0.441 -0.23
Fertility Sub Index 9.84
Calving Interval (days) -5.36 -1.459 7.82
Survival (%) 1.81 1.117 2.02
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.16
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.54 -0.432 -1.53
Maintenance Sub Index Maint. Sub Index 4.32
Live WT (kg) -14.10 -0.307 4.32
Total Carbon Sub Index 20.27

* Based on an €80/tonne carbon price