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 4.90
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -3.35 -0.375 1.25
Prot (kg) -4.76 -0.441 2.10
Fertility Sub Index 6.47
Calving Interval (days) -3.45 -1.459 5.03
Survival (%) 1.29 1.117 1.44
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.97
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) -0.04 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 20.77

* Based on an €80/tonne carbon price