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 8.29
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -9.02 -0.375 3.38
Prot (kg) -5.76 -0.441 2.54
Fertility Sub Index 2.30
Calving Interval (days) -1.39 -1.459 2.03
Survival (%) 0.24 1.117 0.27
Calving Sub Index -1.46
Gestation Length (days) 1.59 -0.919 -1.46
Beef Sub Index -3.19
Carcass Weight (kg) 5.50 -0.528 -2.90
Age of Slaughter (days) 0.67 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index -1.69
Live WT (kg) 5.50 -0.307 -1.69
Total Carbon Sub Index 4.25

* Based on an €80/tonne carbon price