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 3.28
Milk (kg) -86.00 -0.014 1.20
Fat (kg) -0.31 -0.375 0.12
Prot (kg) -4.44 -0.441 1.96
Fertility Sub Index 0.23
Calving Interval (days) -0.17 -1.459 0.25
Survival (%) -0.02 1.117 -0.02
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.30
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.92 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 3.80

* Based on an €80/tonne carbon price