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 7.91
Milk (kg) -176.00 -0.014 2.46
Fat (kg) -4.46 -0.375 1.67
Prot (kg) -8.55 -0.441 3.77
Fertility Sub Index 0.16
Calving Interval (days) -0.26 -1.459 0.38
Survival (%) -0.20 1.117 -0.22
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 0.96
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 2.41 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index 10.45

* Based on an €80/tonne carbon price