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 6.38
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -4.59 -0.375 1.72
Prot (kg) -6.66 -0.441 2.94
Fertility Sub Index -1.22
Calving Interval (days) 0.32 -1.459 -0.47
Survival (%) -0.67 1.117 -0.75
Calving Sub Index -0.80
Gestation Length (days) 0.87 -0.919 -0.80
Beef Sub Index 0.49
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.04 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 6.20

* Based on an €80/tonne carbon price