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 10.11
Milk (kg) -174.00 -0.014 2.44
Fat (kg) -7.73 -0.375 2.90
Prot (kg) -10.82 -0.441 4.78
Fertility Sub Index 10.90
Calving Interval (days) -5.91 -1.459 8.62
Survival (%) 2.04 1.117 2.28
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index 1.41
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.77 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 26.90

* Based on an €80/tonne carbon price