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 -4.50
Milk (kg) 11.00 -0.014 -0.15
Fat (kg) 8.62 -0.375 -3.23
Prot (kg) 2.53 -0.441 -1.12
Fertility Sub Index 6.53
Calving Interval (days) -3.14 -1.459 4.58
Survival (%) 1.74 1.117 1.94
Calving Sub Index -1.02
Gestation Length (days) 1.11 -0.919 -1.02
Beef Sub Index -2.00
Carcass Weight (kg) 6.30 -0.528 -3.32
Age of Slaughter (days) -3.07 -0.432 1.33
Maintenance Sub Index Maint. Sub Index -4.75
Live WT (kg) 15.50 -0.307 -4.75
Total Carbon Sub Index -5.74

* Based on an €80/tonne carbon price