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 4.78
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -1.90 -0.375 0.71
Prot (kg) -6.91 -0.441 3.05
Fertility Sub Index -2.68
Calving Interval (days) 2.20 -1.459 -3.21
Survival (%) 0.47 1.117 0.53
Calving Sub Index -0.54
Gestation Length (days) 0.59 -0.919 -0.54
Beef Sub Index 0.63
Carcass Weight (kg) 3.80 -0.528 -2.00
Age of Slaughter (days) -6.10 -0.432 2.63
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 2.38

* Based on an €80/tonne carbon price