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 12.49
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -13.07 -0.375 4.90
Prot (kg) -9.91 -0.441 4.37
Fertility Sub Index 8.42
Calving Interval (days) -5.51 -1.459 8.04
Survival (%) 0.34 1.117 0.38
Calving Sub Index -0.81
Gestation Length (days) 0.88 -0.919 -0.81
Beef Sub Index 3.13
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) -1.76 -0.432 0.76
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 25.25

* Based on an €80/tonne carbon price