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 -4.76
Milk (kg) 140.00 -0.014 -1.96
Fat (kg) 4.86 -0.375 -1.82
Prot (kg) 2.21 -0.441 -0.98
Fertility Sub Index 7.91
Calving Interval (days) -3.80 -1.459 5.54
Survival (%) 2.12 1.117 2.37
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.24
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) -3.00 -0.432 1.30
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 9.56

* Based on an €80/tonne carbon price