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 9.53
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -10.27 -0.375 3.85
Prot (kg) -7.62 -0.441 3.36
Fertility Sub Index 5.48
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) -0.20 1.117 -0.22
Calving Sub Index -0.51
Gestation Length (days) 0.56 -0.919 -0.51
Beef Sub Index 3.66
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) -1.87 -0.432 0.81
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 21.22

* Based on an €80/tonne carbon price