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 12.97
Milk (kg) -223.00 -0.014 3.12
Fat (kg) -11.07 -0.375 4.15
Prot (kg) -12.91 -0.441 5.70
Fertility Sub Index 0.64
Calving Interval (days) -1.10 -1.459 1.60
Survival (%) -0.86 1.117 -0.96
Calving Sub Index -0.05
Gestation Length (days) 0.05 -0.919 -0.05
Beef Sub Index 1.73
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 1.13 -0.432 -0.49
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 17.78

* Based on an €80/tonne carbon price