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 9.80
Milk (kg) -197.00 -0.014 2.76
Fat (kg) -8.43 -0.375 3.16
Prot (kg) -8.80 -0.441 3.88
Fertility Sub Index 8.02
Calving Interval (days) -4.25 -1.459 6.20
Survival (%) 1.63 1.117 1.82
Calving Sub Index 0.89
Gestation Length (days) -0.97 -0.919 0.89
Beef Sub Index 0.85
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) -1.00 -0.432 0.43
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 21.31

* Based on an €80/tonne carbon price