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 5.66
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -7.78 -0.375 2.91
Prot (kg) -2.83 -0.441 1.25
Fertility Sub Index -0.33
Calving Interval (days) -0.36 -1.459 0.53
Survival (%) -0.77 1.117 -0.86
Calving Sub Index -1.82
Gestation Length (days) 1.98 -0.919 -1.82
Beef Sub Index -2.59
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 2.57 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 2.15

* Based on an €80/tonne carbon price