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 6.76
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -3.69 -0.375 1.38
Prot (kg) -6.79 -0.441 3.00
Fertility Sub Index -4.39
Calving Interval (days) 2.45 -1.459 -3.57
Survival (%) -0.73 1.117 -0.82
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index 0.79
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 3.78 -0.432 -1.63
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 6.56

* Based on an €80/tonne carbon price