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 4.51
Milk (kg) -187.00 -0.014 2.62
Fat (kg) -2.38 -0.375 0.89
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index 7.76
Calving Interval (days) -4.91 -1.459 7.16
Survival (%) 0.53 1.117 0.59
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index 3.46
Carcass Weight (kg) -6.10 -0.528 3.22
Age of Slaughter (days) -0.56 -0.432 0.24
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 21.63

* Based on an €80/tonne carbon price