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 11.25
Milk (kg) -271.00 -0.014 3.79
Fat (kg) -4.58 -0.375 1.72
Prot (kg) -13.00 -0.441 5.74
Fertility Sub Index 5.97
Calving Interval (days) -3.56 -1.459 5.19
Survival (%) 0.69 1.117 0.77
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 0.75
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.43 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 22.27

* Based on an €80/tonne carbon price