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 3.55
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -1.93 -0.375 0.72
Prot (kg) -4.08 -0.441 1.80
Fertility Sub Index -0.47
Calving Interval (days) 0.13 -1.459 -0.19
Survival (%) -0.25 1.117 -0.28
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.60
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 2.12 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index 2.50

* Based on an €80/tonne carbon price