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 22.63
Milk (kg) -445.00 -0.014 6.23
Fat (kg) -22.65 -0.375 8.48
Prot (kg) -17.93 -0.441 7.91
Fertility Sub Index 6.14
Calving Interval (days) -3.83 -1.459 5.59
Survival (%) 0.49 1.117 0.55
Calving Sub Index 0.37
Gestation Length (days) -0.40 -0.919 0.37
Beef Sub Index 1.86
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 0.83 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 33.32

* Based on an €80/tonne carbon price