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 5.57
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -5.16 -0.375 1.93
Prot (kg) -4.98 -0.441 2.20
Fertility Sub Index 4.42
Calving Interval (days) -4.26 -1.459 6.22
Survival (%) -1.61 1.117 -1.80
Calving Sub Index -3.31
Gestation Length (days) 3.60 -0.919 -3.31
Beef Sub Index 2.02
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) -1.87 -0.432 0.81
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 10.96

* Based on an €80/tonne carbon price