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 10.71
Milk (kg) -223.00 -0.014 3.12
Fat (kg) -7.77 -0.375 2.91
Prot (kg) -10.59 -0.441 4.67
Fertility Sub Index 6.64
Calving Interval (days) -3.11 -1.459 4.54
Survival (%) 1.88 1.117 2.10
Calving Sub Index -0.29
Gestation Length (days) 0.32 -0.919 -0.29
Beef Sub Index 1.33
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 3.65 -0.432 -1.58
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 20.12

* Based on an €80/tonne carbon price