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 -2.08
Milk (kg) 60.00 -0.014 -0.84
Fat (kg) 3.53 -0.375 -1.32
Prot (kg) -0.19 -0.441 0.08
Fertility Sub Index -0.50
Calving Interval (days) 0.21 -1.459 -0.31
Survival (%) -0.17 1.117 -0.19
Calving Sub Index 3.75
Gestation Length (days) -4.08 -0.919 3.75
Beef Sub Index -2.10
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 7.92 -0.432 -3.42
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 0.51

* Based on an €80/tonne carbon price