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 21.02
Milk (kg) -324.00 -0.014 4.54
Fat (kg) -23.71 -0.375 8.88
Prot (kg) -17.23 -0.441 7.60
Fertility Sub Index 6.04
Calving Interval (days) -2.76 -1.459 4.03
Survival (%) 1.80 1.117 2.01
Calving Sub Index -1.61
Gestation Length (days) 1.75 -0.919 -1.61
Beef Sub Index -2.82
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 8.37 -0.432 -3.61
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 28.21

* Based on an €80/tonne carbon price