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 2.48
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -3.06 -0.375 1.15
Prot (kg) 0.24 -0.441 -0.11
Fertility Sub Index 7.21
Calving Interval (days) -3.38 -1.459 4.93
Survival (%) 2.04 1.117 2.28
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.55
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 3.11 -0.432 -1.34
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 18.04

* Based on an €80/tonne carbon price