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 4.66
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -7.67 -0.375 2.87
Prot (kg) -3.86 -0.441 1.70
Fertility Sub Index 5.02
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 0.71 1.117 0.79
Calving Sub Index 0.54
Gestation Length (days) -0.59 -0.919 0.54
Beef Sub Index 1.31
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 1.60 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 14.11

* Based on an €80/tonne carbon price