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 8.46
Milk (kg) -167.00 -0.014 2.34
Fat (kg) -7.10 -0.375 2.66
Prot (kg) -7.85 -0.441 3.46
Fertility Sub Index 5.52
Calving Interval (days) -1.97 -1.459 2.87
Survival (%) 2.37 1.117 2.65
Calving Sub Index -1.33
Gestation Length (days) 1.45 -0.919 -1.33
Beef Sub Index -1.56
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 15.90

* Based on an €80/tonne carbon price