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 2.11
Milk (kg) 73.00 -0.014 -1.02
Fat (kg) -4.60 -0.375 1.72
Prot (kg) -3.20 -0.441 1.41
Fertility Sub Index 1.92
Calving Interval (days) -1.63 -1.459 2.38
Survival (%) -0.41 1.117 -0.46
Calving Sub Index 0.64
Gestation Length (days) -0.70 -0.919 0.64
Beef Sub Index -1.22
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 2.71 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index -0.25
Live WT (kg) 0.80 -0.307 -0.25
Total Carbon Sub Index 3.20

* Based on an €80/tonne carbon price