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 -3.32
Milk (kg) 61.00 -0.014 -0.85
Fat (kg) 4.49 -0.375 -1.68
Prot (kg) 1.78 -0.441 -0.79
Fertility Sub Index -2.82
Calving Interval (days) 1.54 -1.459 -2.25
Survival (%) -0.51 1.117 -0.57
Calving Sub Index 1.26
Gestation Length (days) -1.37 -0.919 1.26
Beef Sub Index -1.00
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 9.17 -0.432 -3.96
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index -4.20

* Based on an €80/tonne carbon price