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 4.68
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -4.11 -0.375 1.54
Prot (kg) -4.07 -0.441 1.80
Fertility Sub Index 6.67
Calving Interval (days) -3.03 -1.459 4.42
Survival (%) 2.01 1.117 2.25
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.37
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.87 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 21.21

* Based on an €80/tonne carbon price