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) -67.00 -0.014 0.94
Fat (kg) -4.86 -0.375 1.82
Prot (kg) -4.72 -0.441 2.08
Fertility Sub Index 2.58
Calving Interval (days) -2.73 -1.459 3.98
Survival (%) -1.26 1.117 -1.41
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 4.37
Carcass Weight (kg) -6.90 -0.528 3.64
Age of Slaughter (days) -1.69 -0.432 0.73
Maintenance Sub Index Maint. Sub Index 4.32
Live WT (kg) -14.10 -0.307 4.32
Total Carbon Sub Index 15.63

* Based on an €80/tonne carbon price