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 9.54
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -10.62 -0.375 3.98
Prot (kg) -9.61 -0.441 4.24
Fertility Sub Index 2.01
Calving Interval (days) -1.40 -1.459 2.04
Survival (%) -0.03 1.117 -0.03
Calving Sub Index -0.30
Gestation Length (days) 0.33 -0.919 -0.30
Beef Sub Index 0.82
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 3.97 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index -1.90
Live WT (kg) 6.20 -0.307 -1.90
Total Carbon Sub Index 10.16

* Based on an €80/tonne carbon price