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 3.44
Milk (kg) -111.00 -0.014 1.55
Fat (kg) 1.75 -0.375 -0.66
Prot (kg) -5.76 -0.441 2.54
Fertility Sub Index 1.13
Calving Interval (days) -1.03 -1.459 1.50
Survival (%) -0.33 1.117 -0.37
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.20
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 7.39

* Based on an €80/tonne carbon price