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 7.79
Milk (kg) -321.00 -0.014 4.49
Fat (kg) -3.07 -0.375 1.15
Prot (kg) -4.87 -0.441 2.15
Fertility Sub Index 4.69
Calving Interval (days) -3.02 -1.459 4.41
Survival (%) 0.25 1.117 0.28
Calving Sub Index 1.55
Gestation Length (days) -1.69 -0.919 1.55
Beef Sub Index 2.59
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) 1.34 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 21.55

* Based on an €80/tonne carbon price