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 2.04
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -1.45 -0.375 0.54
Prot (kg) -1.67 -0.441 0.74
Fertility Sub Index 1.17
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) 0.13 1.117 0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.11
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.07 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 4.56

* Based on an €80/tonne carbon price