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 3.65
Milk (kg) 9.00 -0.014 -0.13
Fat (kg) -3.34 -0.375 1.25
Prot (kg) -5.71 -0.441 2.52
Fertility Sub Index -1.76
Calving Interval (days) 0.91 -1.459 -1.33
Survival (%) -0.39 1.117 -0.44
Calving Sub Index 0.44
Gestation Length (days) -0.48 -0.919 0.44
Beef Sub Index -0.28
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 4.06 -0.432 -1.75
Maintenance Sub Index Maint. Sub Index -0.52
Live WT (kg) 1.70 -0.307 -0.52
Total Carbon Sub Index 1.53

* Based on an €80/tonne carbon price