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 12.63
Milk (kg) -322.00 -0.014 4.51
Fat (kg) -12.14 -0.375 4.55
Prot (kg) -8.10 -0.441 3.58
Fertility Sub Index 6.03
Calving Interval (days) -2.73 -1.459 3.98
Survival (%) 1.83 1.117 2.04
Calving Sub Index -0.59
Gestation Length (days) 0.64 -0.919 -0.59
Beef Sub Index -5.73
Carcass Weight (kg) 10.90 -0.528 -5.75
Age of Slaughter (days) -0.04 -0.432 0.02
Maintenance Sub Index Maint. Sub Index -1.66
Live WT (kg) 5.40 -0.307 -1.66
Total Carbon Sub Index 10.68

* Based on an €80/tonne carbon price