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 9.61
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -12.23 -0.375 4.58
Prot (kg) -5.84 -0.441 2.58
Fertility Sub Index -3.16
Calving Interval (days) 2.36 -1.459 -3.44
Survival (%) 0.25 1.117 0.28
Calving Sub Index -2.58
Gestation Length (days) 2.81 -0.919 -2.58
Beef Sub Index -1.78
Carcass Weight (kg) 4.50 -0.528 -2.37
Age of Slaughter (days) -1.37 -0.432 0.59
Maintenance Sub Index Maint. Sub Index -0.92
Live WT (kg) 3.00 -0.307 -0.92
Total Carbon Sub Index 1.16

* Based on an €80/tonne carbon price