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 4.21
Milk (kg) -110.00 -0.014 1.54
Fat (kg) 0.59 -0.375 -0.22
Prot (kg) -6.55 -0.441 2.89
Fertility Sub Index -3.98
Calving Interval (days) 2.46 -1.459 -3.59
Survival (%) -0.35 1.117 -0.39
Calving Sub Index 0.99
Gestation Length (days) -1.08 -0.919 0.99
Beef Sub Index 1.53
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 2.68 -0.432 -1.16
Maintenance Sub Index Maint. Sub Index -1.04
Live WT (kg) 3.40 -0.307 -1.04
Total Carbon Sub Index 1.71

* Based on an €80/tonne carbon price