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 2.04
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -1.45 -0.375 0.54
Prot (kg) -1.67 -0.441 0.74
Fertility Sub Index 1.07
Calving Interval (days) -0.64 -1.459 0.93
Survival (%) 0.12 1.117 0.13
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.05
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 4.38

* Based on an €80/tonne carbon price