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 2.96
Milk (kg) -215.00 -0.014 3.01
Fat (kg) -0.75 -0.375 0.28
Prot (kg) 0.74 -0.441 -0.33
Fertility Sub Index 4.93
Calving Interval (days) -3.76 -1.459 5.49
Survival (%) -0.50 1.117 -0.56
Calving Sub Index -2.16
Gestation Length (days) 2.35 -0.919 -2.16
Beef Sub Index -0.52
Carcass Weight (kg) 2.10 -0.528 -1.11
Age of Slaughter (days) -1.35 -0.432 0.58
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 6.80

* Based on an €80/tonne carbon price