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 4.05
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -4.40 -0.375 1.65
Prot (kg) -4.11 -0.441 1.81
Fertility Sub Index -2.85
Calving Interval (days) 1.52 -1.459 -2.22
Survival (%) -0.57 1.117 -0.64
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index 0.33
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 4.00 -0.432 -1.73
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 3.49

* Based on an €80/tonne carbon price