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 5.28
Milk (kg) -202.00 -0.014 2.83
Fat (kg) -1.28 -0.375 0.48
Prot (kg) -4.46 -0.441 1.97
Fertility Sub Index 4.67
Calving Interval (days) -4.40 -1.459 6.42
Survival (%) -1.57 1.117 -1.75
Calving Sub Index -3.39
Gestation Length (days) 3.69 -0.919 -3.39
Beef Sub Index 1.84
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) -3.89 -0.432 1.68
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index 9.49

* Based on an €80/tonne carbon price