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 10.89
Milk (kg) -307.00 -0.014 4.30
Fat (kg) -10.60 -0.375 3.97
Prot (kg) -5.95 -0.441 2.63
Fertility Sub Index 5.26
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 0.78 1.117 0.87
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 1.39
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) -2.74 -0.432 1.18
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 22.28

* Based on an €80/tonne carbon price