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 6.87
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -6.47 -0.375 2.42
Prot (kg) -6.31 -0.441 2.78
Fertility Sub Index 1.74
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) -0.66 1.117 -0.74
Calving Sub Index -0.15
Gestation Length (days) 0.16 -0.919 -0.15
Beef Sub Index 0.04
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 5.03 -0.432 -2.17
Maintenance Sub Index Maint. Sub Index -0.80
Live WT (kg) 2.60 -0.307 -0.80
Total Carbon Sub Index 7.72

* Based on an €80/tonne carbon price