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 16.08
Milk (kg) -313.00 -0.014 4.38
Fat (kg) -16.01 -0.375 6.00
Prot (kg) -12.92 -0.441 5.70
Fertility Sub Index 10.16
Calving Interval (days) -6.00 -1.459 8.75
Survival (%) 1.26 1.117 1.41
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.58
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.12 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 4.72
Live WT (kg) -15.40 -0.307 4.72
Total Carbon Sub Index 36.36

* Based on an €80/tonne carbon price