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 5.60
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -5.41 -0.375 2.03
Prot (kg) -6.76 -0.441 2.98
Fertility Sub Index 2.80
Calving Interval (days) -1.09 -1.459 1.59
Survival (%) 1.08 1.117 1.21
Calving Sub Index 1.32
Gestation Length (days) -1.44 -0.919 1.32
Beef Sub Index 0.76
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index 11.59

* Based on an €80/tonne carbon price