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 7.01
Milk (kg) -165.00 -0.014 2.31
Fat (kg) -6.87 -0.375 2.57
Prot (kg) -4.81 -0.441 2.12
Fertility Sub Index 2.82
Calving Interval (days) -1.08 -1.459 1.58
Survival (%) 1.11 1.117 1.24
Calving Sub Index -0.66
Gestation Length (days) 0.72 -0.919 -0.66
Beef Sub Index -2.74
Carcass Weight (kg) 3.50 -0.528 -1.85
Age of Slaughter (days) 2.06 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 7.93

* Based on an €80/tonne carbon price