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 3.79
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -2.62 -0.375 0.98
Prot (kg) -3.10 -0.441 1.37
Fertility Sub Index 7.54
Calving Interval (days) -3.44 -1.459 5.02
Survival (%) 2.26 1.117 2.52
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.76
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 1.53 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 20.84

* Based on an €80/tonne carbon price