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 2.54
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -5.45 -0.375 2.04
Prot (kg) -0.95 -0.441 0.42
Fertility Sub Index 1.79
Calving Interval (days) -1.24 -1.459 1.81
Survival (%) -0.02 1.117 -0.02
Calving Sub Index -0.58
Gestation Length (days) 0.63 -0.919 -0.58
Beef Sub Index -5.63
Carcass Weight (kg) 7.30 -0.528 -3.85
Age of Slaughter (days) 4.13 -0.432 -1.78
Maintenance Sub Index Maint. Sub Index -2.39
Live WT (kg) 7.80 -0.307 -2.39
Total Carbon Sub Index -4.27

* Based on an €80/tonne carbon price