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 4.84
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -4.77 -0.375 1.79
Prot (kg) -3.96 -0.441 1.75
Fertility Sub Index -0.42
Calving Interval (days) -0.24 -1.459 0.35
Survival (%) -0.69 1.117 -0.77
Calving Sub Index -0.97
Gestation Length (days) 1.06 -0.919 -0.97
Beef Sub Index -2.88
Carcass Weight (kg) 3.30 -0.528 -1.74
Age of Slaughter (days) 2.64 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index -1.38
Live WT (kg) 4.50 -0.307 -1.38
Total Carbon Sub Index -0.82

* Based on an €80/tonne carbon price