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 -4.90
Milk (kg) 64.00 -0.014 -0.90
Fat (kg) 3.22 -0.375 -1.21
Prot (kg) 6.35 -0.441 -2.80
Fertility Sub Index 2.07
Calving Interval (days) -1.14 -1.459 1.66
Survival (%) 0.36 1.117 0.40
Calving Sub Index -1.80
Gestation Length (days) 1.96 -0.919 -1.80
Beef Sub Index -3.02
Carcass Weight (kg) 1.90 -0.528 -1.00
Age of Slaughter (days) 4.68 -0.432 -2.02
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index -5.64

* Based on an €80/tonne carbon price