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 4.23
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -1.11 -0.375 0.42
Prot (kg) -6.26 -0.441 2.76
Fertility Sub Index -0.05
Calving Interval (days) 0.51 -1.459 -0.74
Survival (%) 0.62 1.117 0.69
Calving Sub Index -0.06
Gestation Length (days) 0.07 -0.919 -0.06
Beef Sub Index -1.62
Carcass Weight (kg) 1.80 -0.528 -0.95
Age of Slaughter (days) 1.56 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index 2.83

* Based on an €80/tonne carbon price