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 3.97
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -1.45 -0.375 0.54
Prot (kg) -3.00 -0.441 1.32
Fertility Sub Index 7.68
Calving Interval (days) -3.85 -1.459 5.62
Survival (%) 1.85 1.117 2.07
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.32
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 19.09

* Based on an €80/tonne carbon price