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 4.44
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -2.67 -0.375 1.00
Prot (kg) -5.52 -0.441 2.44
Fertility Sub Index 4.56
Calving Interval (days) -2.73 -1.459 3.98
Survival (%) 0.52 1.117 0.58
Calving Sub Index -0.01
Gestation Length (days) 0.01 -0.919 -0.01
Beef Sub Index -0.44
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index 8.83

* Based on an €80/tonne carbon price