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 2.80
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -3.33 -0.375 1.25
Prot (kg) -2.82 -0.441 1.24
Fertility Sub Index -5.75
Calving Interval (days) 2.77 -1.459 -4.04
Survival (%) -1.53 1.117 -1.71
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index -0.36
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.91 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index -1.38
Live WT (kg) 4.50 -0.307 -1.38
Total Carbon Sub Index -4.29

* Based on an €80/tonne carbon price