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 4.24
Milk (kg) -52.00 -0.014 0.73
Fat (kg) -4.53 -0.375 1.70
Prot (kg) -4.11 -0.441 1.81
Fertility Sub Index 6.59
Calving Interval (days) -3.44 -1.459 5.02
Survival (%) 1.41 1.117 1.58
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.13
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 0.44 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 12.21

* Based on an €80/tonne carbon price