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 8.48
Milk (kg) -205.00 -0.014 2.87
Fat (kg) -10.09 -0.375 3.78
Prot (kg) -4.15 -0.441 1.83
Fertility Sub Index -1.14
Calving Interval (days) 1.50 -1.459 -2.19
Survival (%) 0.94 1.117 1.05
Calving Sub Index -1.21
Gestation Length (days) 1.32 -0.919 -1.21
Beef Sub Index 0.16
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 5.13 -0.432 -2.21
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 12.54

* Based on an €80/tonne carbon price