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 6.41
Milk (kg) -5.00 -0.014 0.07
Fat (kg) -11.56 -0.375 4.33
Prot (kg) -4.55 -0.441 2.01
Fertility Sub Index 2.08
Calving Interval (days) -1.77 -1.459 2.58
Survival (%) -0.45 1.117 -0.50
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.61
Carcass Weight (kg) 1.80 -0.528 -0.95
Age of Slaughter (days) 1.54 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index -0.40
Live WT (kg) 1.30 -0.307 -0.40
Total Carbon Sub Index 6.01

* Based on an €80/tonne carbon price