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 2.28
Milk (kg) -73.00 -0.014 1.02
Fat (kg) 1.19 -0.375 -0.45
Prot (kg) -3.87 -0.441 1.71
Fertility Sub Index 0.04
Calving Interval (days) -0.01 -1.459 0.01
Survival (%) 0.02 1.117 0.02
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.18
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.42 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index 0.77
Live WT (kg) -2.50 -0.307 0.77
Total Carbon Sub Index 2.80

* Based on an €80/tonne carbon price