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 3.99
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -4.01 -0.375 1.50
Prot (kg) -4.71 -0.441 2.08
Fertility Sub Index 4.64
Calving Interval (days) -2.65 -1.459 3.87
Survival (%) 0.69 1.117 0.77
Calving Sub Index 0.45
Gestation Length (days) -0.49 -0.919 0.45
Beef Sub Index 0.70
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 13.45

* Based on an €80/tonne carbon price