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 2.56
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) -3.55 -0.375 1.33
Prot (kg) -3.03 -0.441 1.34
Fertility Sub Index 3.54
Calving Interval (days) -1.74 -1.459 2.54
Survival (%) 0.90 1.117 1.01
Calving Sub Index 1.25
Gestation Length (days) -1.36 -0.919 1.25
Beef Sub Index 4.76
Carcass Weight (kg) -7.50 -0.528 3.96
Age of Slaughter (days) -1.86 -0.432 0.80
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 13.95

* Based on an €80/tonne carbon price