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 5.33
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -2.31 -0.375 0.87
Prot (kg) -5.87 -0.441 2.59
Fertility Sub Index 5.88
Calving Interval (days) -2.81 -1.459 4.10
Survival (%) 1.59 1.117 1.78
Calving Sub Index -0.11
Gestation Length (days) 0.12 -0.919 -0.11
Beef Sub Index 0.06
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.94 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 12.54

* Based on an €80/tonne carbon price