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 12.11
Milk (kg) -235.00 -0.014 3.29
Fat (kg) -11.22 -0.375 4.20
Prot (kg) -10.47 -0.441 4.62
Fertility Sub Index 4.63
Calving Interval (days) -3.67 -1.459 5.35
Survival (%) -0.65 1.117 -0.73
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index 0.04
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.11 -0.432 -0.91
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 20.32

* Based on an €80/tonne carbon price