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 5.96
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -5.58 -0.375 2.09
Prot (kg) -3.83 -0.441 1.69
Fertility Sub Index 6.86
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 1.84 1.117 2.06
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.45
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 2.98 -0.432 -1.29
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 20.46

* Based on an €80/tonne carbon price