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 12.84
Milk (kg) -390.00 -0.014 5.46
Fat (kg) -7.04 -0.375 2.64
Prot (kg) -10.75 -0.441 4.74
Fertility Sub Index 6.60
Calving Interval (days) -3.58 -1.459 5.22
Survival (%) 1.23 1.117 1.37
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 1.59
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 1.69 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 3.92
Live WT (kg) -12.80 -0.307 3.92
Total Carbon Sub Index 25.73

* Based on an €80/tonne carbon price