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 3.05
Milk (kg) -137.00 -0.014 1.92
Fat (kg) -1.83 -0.375 0.69
Prot (kg) -1.02 -0.441 0.45
Fertility Sub Index 6.38
Calving Interval (days) -3.11 -1.459 4.54
Survival (%) 1.65 1.117 1.84
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.16
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -1.33 -0.432 0.57
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 21.83

* Based on an €80/tonne carbon price