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 4.54
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -1.43 -0.375 0.54
Prot (kg) -5.02 -0.441 2.22
Fertility Sub Index 0.81
Calving Interval (days) -1.48 -1.459 2.16
Survival (%) -1.21 1.117 -1.35
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.31
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) -1.72 -0.432 0.74
Maintenance Sub Index Maint. Sub Index -1.35
Live WT (kg) 4.40 -0.307 -1.35
Total Carbon Sub Index 3.22

* Based on an €80/tonne carbon price