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 5.21
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -4.24 -0.375 1.59
Prot (kg) -3.98 -0.441 1.76
Fertility Sub Index 5.64
Calving Interval (days) -3.62 -1.459 5.28
Survival (%) 0.32 1.117 0.36
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 0.82
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 0.31 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 16.09

* Based on an €80/tonne carbon price